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Transcription:

SA1409-A JA fx-jp500 http://edu.casio.jp RJA531983-001V01

1. 2. 1

2

15 31 + 3

... 1... 3... 5... 5... 5... 7... 8... 9... 11... 14... 15... 17... 19... 19... 21... 26... 27... 27... 29 n... 33 /... 34... 36... 37... 38... 38... 40... 40... 41... 43... 45... 51 4

(RESET) ( ) () (OFF) : 10 (SETUP)() : 5

(1) (2) (1) sin 1 D s (2) n (1) (2) (1) (2) (3) (3) / / FIX / SCI M (D)(R) (G) (Fix) FIX(Sci) SCI 6

/ / (SETUP) (1) (2) (1) (2) 1. 2. 7

: 281016 1 : n / 3. : : * 1 * 2 * 2 (SETUP) (/) : ( ) (/) () ( /) *1 *2 1 S-V.P.A.M. 8

/ / / / / n/ / 1. (SETUP) 2. 3. / ; /; ; / 9

(D) ; (R); (G) (Fix): 0 9 : 100 7( )* 14.286 ( (Fix) 3) (Sci): 0 9 : 1 7( )* 1.4286 10 1 ((Sci) 5) (Norm): (Norm) 1 : 10 2 > x, x 10 10 (Norm) 2: 10 9 > x, x 10 10 : 1 200 ( )* 5 10 3 ((Norm) 1) 0.005 ((Norm) 2) * ( ) (ab/c); (d/c) (a+bi) ; (r) / : i ; (Freq) / ; / f (x); f (x),g (x) f (x) 2 f (x) g (x) ; 10

; : (,) (;) 3; 3 English; ( ) (RESET) () () 4 sin 30 (30 + 10 3) = 120 4 30 30 10 3 * 2 * 1 *1 sin *2 ( ) *3 199 12 13 10 * 3 11

- : 6 2(1 + 2) 6 (2(1 + 2)) 1 (2 + 3)sin(30) 1 ((2 + 3)sin(30)) - : 6 2 6 (2 )2 2'2 2 (2'2 ) 1 2 sin( log( 3 (x 2 x 3 x 1 x! r g %t) ( ) ( ) 4 5 (( )) n (d h b o) 6 (cm in) ( 1 2 ) 7 8 (npr) (ncr) ( ) 9 ( ) ( ) ( R) 10 (+) ( ) 11 and ( ) 12 or xor xnor ( ) : 2 2 2 x 2 ( ) 22 2 ( / ) 12

: 3 1 2 5 3 2 1. ( ) 2. 3 1 2 3. ( ) 5 3 2 Σ / / 2 / (/ ) (UNDO) (UNDO) 13

( / ) : 1 + 7 6 1 + 7 6 1 7 6(INS) (INS) 7 6 ( / ) (INS) / / 6 = 1 6 π = 0.5235987756 ( ) 1 ( ) 6 6 π 0.5235987756 ( 2 + 2) 3 = 5.913591358 = 6 + 2 3 (/) 22 3 5.913591358 / 1 4 5 = 1 5 = 0.2 () 1 4 5 1 5 0.2 14

10 ( ) / 2 3 1 1 13 2 6 ( ) 2 3( ) 13 1 1 2 6 () 2 3 1 1 2 13 6 ( ) (%) 150 20% = 30 150 20(%) 30 660 880 (75%) 660 880 (%) 75 3500 25% (2625) 3500 3500 25 (%) 2625 15

60 60{ } { } { }0 0 : 5 0 305 0 30 2 20 30 + 39 30 = 3 00 00 2 20 300 39 30 3 0 0 2 15 1810 2 15 18 2 15 18 (6010) 2.255 (1060) 2 15 18 (:) 3 + 3 : 3 3 3 3(:) 3 3 6 9 : / / (:) ENGENG 3 1234 ENG 1234 1234 1.234 10 3 1234 10 0 123ENG 123 123 ( ) 0.123 10 3 ( ) 0.000123 10 6 R 5 2 5( R) 2 16

/ / 10 1014 1014 (FACT) (FACT) : 10 1,018,081 4 2 ( 4 ) 0.909090...(0.90 4 4 ) 0 ( 4 ) 90 12.3123123... 12.3 4 12 4 / / 17

1.0 4 4 21 + 2.3 4 12 4 (SETUP) () () 1 ( 4 ) 021 2 ( 4 ) 312 : (Norm/Fix/Sci) (Norm/Fix/Sci) 1 7 = 0.1 4 42857 4 = 0.1428571429 (Norm 1) 1 7 : Norm 1: : 10 99 3 0.1 4 23 4 4 1 38 18

n 2 + 2 = 4 2 2 4 3 + 3 = 6 3 3 6 (1) 4 : / 4 3 + 2 = 14 4 3 2 14 4 3 7 = 5 () 7 5 (Ans)/ (PreAns) Ans Ans PreAns Ans PreAns : PreAns PreAns Ans: 14 13 7 14 13 ()7 19

123 + 456 = 579 123 456 789 579 = 210 () 789 PreAns: T k+2 = T k+1 + T k ()T 1 T 5 T 1 = 1 T 2 = 1 T 1 = 1 1 (Ans = T 1 = 1) T 2 = 1 1 (Ans = T 2 = 1, PreAns = T 1 = 1) T 3 = T 2 + T 1 = 1 + 1 (PreAns) (Ans = T 3 = 2, PreAns = T 2 = 1) T 4 = T 3 + T 2 = 2 + 1 T 5 = T 4 + T 3 = 3 + 2 (Ans = T 4 = 3, PreAns = T 3 = 2) (A B C D E F M x y) 3 + 5A 3 5(A) 8 A10 () (A) 10 * 1 80 A () (RECALL)* 2 20 (A) 8 A 0 (A) 0 *1 x (x) *2 (RECALL) (Norm) 1

(M) MM M 0 M M 0 (M) 0 10 5M () 10 5 50 10 + 5M () 10 5(M ) 15 M () (RECALL) (M) 35 : M M (RESET) ( ) () : : : 3.141592654 = 3.14159265358980 e: 2.718281828 e = 2.71828182845904 sin, cos, tan, sin 1, cos 1, tan 1 : sin 30 = 1 2 ( : (D)) 30 1 2 sin 1 0.5 = 30 ( : (D)) (sin 1 ) 0.5 30 21

sinh, cosh, tanh, sinh 1, cosh 1, tanh 1 : ( )* 1 sinh 1 = 1.175201194 ( ) (sinh) 1 1.175201194 *1, r, g : r g ()* 2 /2 = 90 (: (D)) ( ) 2 () ( r ) 90 *2, : e 5 2 = 296.8263182 ( ) ( ) 52 296.8263182 () ( ) 52 296.8263182 log: log (a, b) a 10 log 10 1000 = log 1000 = 3 1000 3 log 2 16 = 4 2(,)16 4 / /( ) log 2 16 = 4 ( ) 2 16 4 ln: e ln 90 (= loge 90) = 4.49980967 90 4.49980967 x 2, x 3, x,,,, x 1 : (1 1) 2 2 = 16 1 12 2 16 (5 2 ) 3 = 15625 5(x 3 ) 15625 5 32 = 2 ( ) ( ) 5 32 2 () 5( ) 32 2 22

'2 3 = 3'2 = 4.242640687... ( ) 23 3'2 () 23 4.242640687 : - Gauss-Kronrod / b a f (x)dx / ( f (x), a, b, tol) tol1 10 5 1 e ln(x)dx ( ) (x)1 (e) 1 () (x) (,) 1(,)(e) 1 f(x) (R) tol tol1 10 14 : / d dx ( f(x)) x=a / d ( f(x), a, tol) dx tol 1 10 10 y = sin(x) x = /2 (: (R)) ( ) (x) (1) ( ) (1) ( ) 2 0 () (1) (,)( ) 2 0 f (x) (R) tol tol1 10 14 23

0 b : f(x) Σ ( f(x)) = f(a) f(a 1) f(a 2)... x a f(b) / b Σ ( f(x)) x a / Σ( f(x), a, b) a b 1 10 10 < a b < 1 10 10 5 Σ (x 1) = 20 x 1 ( ) ( )(x) 1 1 5 20 () ( )(x) 1 (,) 1(,) 5 20 Pol, Rec: Pol Rec r x y x y 180 < 180 Pol(x, y) = (r, ) Rec(r, ) = (x, y) ( 2, 2 ) (: (D)) ( ) (Pol) 2 (,) 2 r=2, =45 ( 2, 45 ) (: (D)) ( ) (Rec) 2 (,) 45 x=1, y=1 x!: (5 + 3)! = 40320 5 3 (x!) 40320 24

Abs: 2 7 2 = 10 ( ) (Abs) 2 72 10 () (Abs) 2 72 10 Ran#: 0.000 0.999 / 3 1000 (Ran#) 459 RanInt#: 16 (RanInt) 1(,) 6 2 npr, ncr: (npr)(ncr) 10 4 : 10(nPr) 4 5040 : 10(nCr) 4 210 Rnd: (Fix) 3 10 3 = 3.333 15 3.33333333333333Rnd (Fix) 3Rnd(10 3) = 3.333 3.333(Norm) 1 (Norm) 2 11 10 3 3 Rnd(10 3) 3(Fix) 3 (/) (SETUP) () ( (Fix)) 10 3 3 10.000 (Rnd) 10 33 9.999 GCD, LCM: (GCD)(LCM) 28 35: (GCD) 28(,) 35 7 9 15: (LCM) 9(,) 15 45 25

(a bi)(r) (1 i) 4 (1 i) 2 = 4 2i ( : a bi)* 1(i)4 1(i) 4 2i 2 45 = '2 '2 i (: (D): a bi) 2 ( ) 45 '2 '2 i '2 '2 i = 2 45 (: (D): r) 2 2(i) 2 45 * (a + bi) n 1 10 10 n 1 10 10 (n: ) 180 < 180 / /a bi r2 2 + 3i (Conjg) ( : a bi) ( ) 2 3 (i) 2 3i 1 + i (Abs) (Arg) (: (D)) : (Abs) 1(i) '2 : () 1(i) 45 2 + 3i (Rep) (Imp) : () 2 3 (i) 2 : () 2 3 (i) 3 r a+bi 26

'2 '2 i = 2 45, 2 45 = '2 '2 i (: (D)) 2 2(i) ( r ) 2( ) 45 ( a+bi) 2 45 '2 '2 i : 2x 3y 2Ax 3By C A Bi : x y : x (x y) {} = {1} : y = x 2 x 3 : / 3A + B A = 5 B = 10 3(A) (B) 5 10 : y = x + 5, x = sin(m), x + 3 = B + C, xy + C (xy + C = 0 ) sin log (SOLVE) / 27

x 2 b = 0 b = 2x (x)(b)(=) 0 (SOLVE) x (x=1 ): 1 B 2 : 2 (x x ): : (1) (2) (3) () () (1) (2) (3) () ()0 : [=] x 1 y = sinx y = e x y = 'x 28

1. 2. : 1 (x) 2 (x, y) 1 : (1) (y = a + bx) 2 (x, y) 2 (y = a + bx + cx 2 ) 2 (x, y) 2 (x, y) e 2 (x, y) ab 2 (x, y) 2 (x, y) (y = a + b ln(x)) (y = a e^(bx)) (y = a b^x) (y = a x^b) (y = a + b/x) : () x 160xFreqx y 2 80x yfreq 3 53 (Freq) / 1 ( ) 2 () 29

1: (170, 66), (173, 68), (179, 75) () (y = a + b ln(x)) 170 173 179 66 68 75 : 1 2 : 1 : 1 () () () () (1 2) (1 2) 2 () () σxx 2 1 (*) 30

: Σx* Σx 2 * Σy Σy 2 Σxy Σx 3 Σx 2 y Σx 4 () : n* / : *, / : σ 2 x*, σ 2 y / : σx*, σy / : s 2 x*, s 2 y / : sx*, sy (// ), : (σx) (sx) σ x = Σ (x ) 2 n Sx = Σ (x ) 2 n 1 : min(x)*, min(y) / : max(x)*, max(y) 1 ( / ), 2 ( / ) 1: Q 1 * / : Med* / 3: Q 3 * (1) ( / ) : a, b / : r / :, () 2 : a, b, c / : 1, 2, () 1 2 : ab y = a b^x Σlny lnb. Σx n. a = exp( n ) Σxlny Σx. Σlny b = exp( n. Σx 2 ) (Σx) 2 lny lna r = n. Σxlny Σx. Σlny = = ab x {n. Σx 2 (Σx) 2 }{n. Σ(lny) 2 (Σlny) 2 } lnb 2: 1 x = {1, 2, 2, 3, 3, 3, 4, 4, 5} {xn; freqn} = {1;1, 2;2, 3;3, 4;2, 5;1} (SETUP)() () () (1) 1 2 3 4 5 1 2 3 2 (// ) ( ) 3: (x, y) = (20, 3150), (110, 7310), (200, 8800), (290, 9310) 2 3 31

(SETUP)() ( ) (SETUP) () ( (Fix)) () (y = a + b ln(x)) 20 110 200 290 3150 7310 8800 9310 () (r) () (a) () (b) 2 x y y x 2 x 1 x 2 4: 3x = 160 y 3 3 160 () ( ) : 1 () P, Q, R: t P(t ) Q ( t ) R ( t) 0 t 0 t 0 t t: ( ) (σx) x x t = x σx x 5: 1 {xn ; freqn} = {0;1, 1;2, 2;1, 3;2, 4;2, 5;2, 6;3, 7;4, 9;2, 10;1}x = 3 P(t) 32

(SETUP)() () () (1) 0 1 2 3 4 5 6 7 9 10 1 2 1 2 2 2 3 4 2 1 3 () ( t) () (P() n 101628n n : 10 : (DEC) 16 : (HEX) 2 : (BIN) 8 : (OCT) 11 2 + 1 2 (BIN) 11 1 161F 16 + 1 16 (HEX) 1 (F) 1 16 (A)(B)(C)(D)(E)(F) n 32 2 : 00000000000000000000000000000000 x 01111111111111111111111111111111 : 10000000000000000000000000000000 x 11111111111111111111111111111111 8 : 00000000000 x 17777777777 : 20000000000 x 37777777777 10 2147483648 x 2147483647 16 : 00000000 x 7FFFFFFF : 80000000 x FFFFFFFF 33

d (10 ) h (16 ) b (2 ) o (8 ) 10 10 10 16 10 2 10 8 10 (DEC) (d) 10(h) 10 (b) 10(o) 10 36 10 : (DEC) 16 : (HEX) 2 : (BIN) 8 : (OCT) 15 10 37 10 10 16 (DEC) 15 37 555 (HEX) 0000022B (and, or, xor, xnor, Not, Neg)2( (BIN)) 1010 2 1100 2 (1010 2 and 1100 2 ) 0000 0000 0000 0000 1010(and) 1100 0000 0000 0000 1000 1010 2 (Not(1010 2 )) (Not) 1010 1111 1111 1111 1111 1111 1111 1111 0101 : 2816 2 2 n10 / / 2 41 2 4 1. / 2. 34

: 1 2 4 2 4 : ( ) ( ) 3. 2x 2 + x 3 = 02( ) 2 13 0 4. (A, B, C, D, E, F, M, x, y) : : ( ) ( ) 0 / x + 2y = 3 2x + 3y = 4 ( ) 1 2 3 2 3 4 (x=) 1 (y=) 2 35

x 2 + 2x 2 = 0 ( ) 1 2 2 (x 1 =) 1 '3 (x 2 =) 1 '3 (y = x 2 + 2x 2 x *) (x=) 1 (y = x 2 + 2x 2 y *) (y=) 3 * y = ax 2 bx c x y 2 12 f(x) = x 2 1 2 g(x) = x2 1 2 1 x 1 0.5: 0.5 1. 2. 2 (SETUP)() ( f(x),g(x)) 3. x 2 1 2 4. x 2 1 2 (x)1 2 (x)1 2 5. 1 5 1 1 1 0.5 6. 3 6 x xf(x) g(x) x 1 x 1 1 36

x f (x) g (x) 4g (x) 5 f (x) f (x)45f (x),g (x)30 x : / 47 n : c 0 ( ) 1. () 2. () 3. (c 0 ) CODATA (2010) : c 0 = 1 ε0μ0 1()(ε 0 ) ()( 0 ) 37

(n ) : 5 (cm)(in)() 1. 5() 2. () 3. m (m) 4. (cm in) 23 NIST Special Publication 811 (2008)26 cal15 C : 38

0 2 () 1 1 () tol 39

1 11 1. 2. 3. 4. (RESET) () () : 1. (OFF) 2. 3. 4. (RESET) ( ) () 40

±1 10 99 ±9.999999999 10 99 0 15 1 10±1 ±1 sinx cosx 0 x 9 10 9 0 x < 157079632.7 0 x < 1 10 10 tanx sinx x = (2n 1) 90 sinx x = (2n 1) /2 sinx x = (2n 1) 100 sin 1 x, cos 1 x 0 x 1 tan 1 x 0 x 9.999999999 10 99 sinhx, coshx 0 x 230.2585092 sinh 1 x 0 x 4.999999999 10 99 cosh 1 x 1 x 4.999999999 10 99 tanhx 0 x 9.999999999 10 99 tanh 1 x 0 x 9.999999999 10 1 logx, lnx 0 x 9.999999999 10 99 10 x 9.999999999 10 99 x 99.99999999 e x 9.999999999 10 99 x 230.2585092 'x 0 x 1 10 100 x 2 x 1 10 50 x 1 x 1 10 100 ; x 0 3 'x x 1 10 100 x! 0 x 69 (x ) npr 0 n 1 10 10, 0 r n (n, r ) 1 {n!/(n r)!} 1 10 100 41

ncr Pol(x, y) 0 n 1 10 10, 0 r n (n, r ) 1 n!/r! 1 10 100 1 n!/(n r)! 1 10 100 x, y 9.999999999 10 99 x 2 + y 2 9.999999999 10 99 Rec(r, ) x y x y a b /c 0 r 9.999999999 10 99 : sinx a, b, c 1 10 100 ; 0 b, c 2 ±1 x 1 10 100 10 60 0 0 0 x 9999999 59 59 x 0: 1 10 100 ylogx 100 x = 0: y 0 x 0: y = n, m (m, n ) 2n 1 1 10 100 ylog x 100 y 0: x 0, 1 10 100 1/x logy 100 y = 0: x 0 2n 1 y 0: x = 2n 1, m (m 0; m, n ) 1 10 100 1/x log y 100 10 RanInt#(a, b) a b; a, b 1 10 10 ; b a 1 10 10 x y x y 3 x! npr ncr 1 / x < 10 6 : : : : : LR44 1 211 0 C 40 C 77 165.5 11.1 mm 90 g 42

/ / 1 : : 2 : : FIX SCI (SETUP) () ((Norm)) () (RESET) () () ) ) 43

: (sin 30) + 15 (: (D)) S-V.P.A.M. : 30 15 15.5 : () 30 15 15.5 sin 45 30 15 0.7071067812 44

() () : h : : c 0 : ε0 : µ0 : Z 0 : G : l P : t P ( ) : µn : µb : e : φ0 : G 0 : K J ( ) : R K : m p : m n : m e : m μ : a 0 : α : r e : λc : γp : λcp : λcn : R : µp : µe : µn : µμ : m τ () : u : F : N A : k : V m : R : c 1 : c 2 : σ ( ) : g : atm : R K-90 : K J-90 ( ) : t h c 0 ε 0 µ 0 Z 0 G l P t P µ N µ B e φ 0 G 0 K J R K m p m n m e m µ µ a 0 α r e λ C γ p λ Cp λ Cn R µ p µ e µ n µ µ µ m τ u F N A k V m R c 1 c 2 σ- g atm R K-90 K J-90 t 45

() () ( ) (m) : cm in : m ft : m yd : km mile : m n mile : km pc : m Å : m fm : m ch : m ua : m l.y. : m mil : m fath : m : cm : mm : m : m : km : km : m : mm : mm (in) : in cm : in ft : in yd : in ch : in mil : in fath (ft) : ft m : ft in : ft yd : ft mile : ft n mile : ft ch : ft fath (yd) : yd m : yd in : yd ft : yd mile : yd ch : yd fath () ( ) (mile) : mile km : mile ft : mile yd : mile ch (ch) : ch m : ch in : ch ft : ch yd : ch mile (fath) : fath m : fath in : fath ft : fath yd (n mile ) : n mile m : n mile ft () ( ) (mil) : mil m : mil in ( ) : m : ( ) : m ( ) : m 46

() ( ) ( ) ( ) () ( ) () ( ) : km : cm km : : m ( ) : pc km : Å m : fm m : ua m : l.y. m : mm : mm : mm () ( ) (acre) : acre m 2 : acre mile 2 (m 2 ) : m 2 acre : m 2 b : m 2 a : m 2 ha : cm 2 ft 2 : cm 2 in 2 : km 2 mile 2 : m 2 : m 2 : m 2 : m 2 : m 2 : m 2 : m 2 (a) : a m 2 : a ha (ha) : ha m 2 : ha a () ( ) (mile 2 ) : mile 2 km 2 : mile 2 acre ( ) : m 2 ( ) : m 2 ( ) : m 2 () ( ) ( ) : m 2 ( ) : b m 2 : ft 2 cm 2 : in 2 cm 2 : m 2 : m 2 () ( ) : m 2 (gal(uk) : gal(uk) L ) : gal(uk) bu (L) : L gal(us) : L gal(uk) : L m 3 : L bu : L bbl : ml fl oz(us) : ml fl oz(uk) : L : L : L : L : L 47

(m 3 ) : m 3 L : m 3 ton : m 3 ft 3 : m 3 in 3 : cm 3 (bu) : bu L : bu gal(uk) () ( ) ( ) : L ( ) : cm 3 ( ) ( ) () ( ) : L : L : L ( ) : L ( ) : gal(us) L : bbl L : ton m 3 : fl oz(us) ml : fl oz(uk) ml : ft 3 m 3 : in 3 m 3 ( ) : r rad : rad r () ( ) (oz) : oz g : oz lb : oz ton(long) : oz ton(short) (g) : g oz : kg lb : kg mton : kg ton(long) : kg ton(short) : mg mcarat : kg : g : g : g : g : g (lb) : lb kg : lb oz : lb ton(long) : lb ton(short) (ton(long) ) () ( ) (ton(short) ) ( ) : ton(long) kg : ton(long) oz : ton(long) lb : ton(short) kg : ton(short) oz : ton(short) lb : kg 48

( ) ( ) : g : g () ( ) ( ) : mton kg : mcarat mg : g : g : g () (s) ( ) () (m/s) ( ) ( ) : Gal m/s 2 : m/s 2 Gal : s t-yr : s min : s h : s day : t-yr s : min s : h s : day s : m/s km/h : m/s mile/h : m/s knot : km/h m/s : mile/h m/s : knot m/s ( ) : N m dyn cm : dyn cm N m ( ) (N) ( ) () : N dyn : N lbf : N kgf : dyn N : lbf N : kgf N (Pa) : Pa atm : Pa mmhg : Pa kgf/cm 2 : kpa lbf/in 2 : Pa bar : Pa dyn/cm 2 : Pa lbf/in 2 : Pa cmh 2 O : Pa inhg ( ) : atm Pa : mmhg Pa : kgf/cm 2 Pa : lbf/in 2 kpa : bar Pa : dyn/cm 2 Pa : lbf/in 2 Pa : cmh 2 O Pa : inhg Pa 49

( ) (J) : J kgf m : J cal : J erg : J ev : J Btu : J cal IT : J cal th : J W h ( ) : kgf m J : cal J : erg J : ev J : Btu J : cal IT J : cal th J : W h J ( ) : hp kw : kw hp () : Btu/h W : W Btu/h () : FC : CF () : cal th /(g K) J/(kg K) : J/(kg K) cal th /(g K) () : P Pa s : Pa s P ( ) : St m 2 /s : m 2 /s St () : G T : T G : Oe A/m : A/m Oe : Mx Wb : Wb Mx : γ T : T γ ( ) : sb cd/m 2 : cd/m 2 sb : ph lx : lx ph ( ) : Ci Bq : Bq Ci : rad Gy : Gy rad : rem Sv : Sv rem : R C/kg : C/kg R 50

/: : (D) 1 I AB c B AC bbc a sin = b c cos = a c tan = b a sin = b c b = c sincos = a c a = c cos 10m (c) B 60 ( θ ) a A b C b = 10 sin 60 : 10 60 a = 10 cos 60 : 10 60 bbac b tan b sin abb c a tana cos 10, 60 : (Rec) 10 (,) 60 y 0 10m 60 x P(x,y) 2 II 2 a b B A 1 tan = b a = tan 1 ( b a ) B θ c 8m (a) 5m (b) C = tan 1 (5 8): (tan 1 ) 5 8 60 : ac cos 1 ( a c )bc sin 1 ( b c ) B 51

5m r P(8,5) 0 θ 8m 8, 5 r, : (Pol) 8(,) 5 y 60 : (RECALL) (y) 3 CDA X A sin C X = sin (180 C D) A (50m) X C (61 32 ) (49 25 )D C D C D 61 32 (C) 49 25 (D) 50 (C) 180 (C) (D) 4 abc S S = s (s a)(s b)(s c) 1 s = (a + b + c) 2 s A 50 40 302(A) S (A) (A) 50 (A) 40(A) 30 c (30m) S a (50m) b (40m) 52

5 20W 60N 0.3 P P = W (sin + cos ) 60200.320 θ (20 ) P W (60N) 6 V 0 30m/s50 3h h = V 0 t sin 1 2 gt2 g: 9.8m/s 2 30 35029.8 3 θ (50 ) V0(30m/s) h 53