WS 2( two) - 19) CS fl+u =secu 2 I Sine-IT— J I S mp}:...

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Unformatted text preview: 19) CS fl+u =secu 2 I Sine-IT— J I S mp}: #11) 3.29 g cow-q— Cos->42: gm LL C363 : D ; _:__#_ CosLx + DfSl‘nbL) : | 6:95 LL :[3ch is}? H ‘5 Find the exact value of the expression. 5 - - —1 _ __ K I -2; _ 20) COS[2 Sm [ 13]] S) n . 8. ‘ -‘L__—-:_E:L Cosap:1-—as;nzg 6mg“ :3, r r - 3:2: ’ 3m) : lag/2:; [6? :MN [6? Establish the identity. 21) cot23_ cscu+cotu _ cscu—cotu - » a 1 f g _ “LCOSQ (Du-Mi lab} Stat/L (Nu/aner '1 LL k0“ 3 frfoStt C Su +LL Ha:st f+COSLx gal»? -m7 Si-nu- ;___.——-——-——'—'—'—"_ }CSC_LL~—C0‘l LL M ‘_____7_._- 22) 1 + l 5111(26) =M ’ ' 60519; 90:9 - . 2 Sine-€059 [4139:0059 Si‘na 1—&sl9)“@°59(1"%.3“ )H 60$ ['4 Sm E36039 *fs’hg’a’sg) 6(109’005‘3 L gina- scale — Case Cos 9* 1 (31319 'Cosfil) - _ —‘ C «a . '2 a ‘ ‘5 [/ng L <3 {fig ‘CDSB bIOQICoSE‘iHSWGCOBBMSMC Va - » gt}??? ijjoS 9' ——/3 ~ - _ ‘ '2. .3 n a a p )‘9 .— \ Eine +SanOCoSt— r—(xnC-fl-Sm . As __ ++++++++++++++++++++++ +-l;:f~+++++++-I;++++++++++++++++++++++++++++++++ ++++++++++ ++++++++++++++++++++++++ +++++ I “87 ‘fi (/05 9 I Mrs Hestiyas L ‘ v gfnew Shae (39s 9 + 5501993977 5603;93- an9 ’6058- Solve the problem. 23) If x = 3 tan 8, express sin(28) as a function of x. E Own 9" : <5 {0 8—: 'X— i P. ;x 3%4_‘;i1L&; r, 2H “J C?‘})( 6? 1" X :— r 2‘ €669 :. g IWL:}" t' - Find the exact value 6f tHéLéiyquion. 24) sin2[l cos-1 3] Co”! it. : 9 2 5 Li— —L 3 3 3 Express the product as a sum containing only sines or cosi s. . e 98 , ._ .9 -99 25) sm—cos— if _ ESL 9 (9.— hp.) 2 2 :1 Sm(2+g§: +5!” 1 2’] r - [09 “fl 5: (“In 2. 7L gm ( ) #ZL’ZSIQ ‘58” + $150 6—48)] “é [Sin 58 — SI}? 5‘] Establish the identity. \ cos(89) — (205(26) 26) Cos(88)+cos(26) ='tan(56)tan(3e) .. Sn) Si-n 8'9 (-2.6% f—l .1 EYE/r1, ‘35 +35; 5305 07 605 ’05: C393 fig: 2, 2 ‘ 'l 7 ‘ V" 1‘. “ I ‘ C; #12: 3m 95 3/2?! 72L! +++++++++++++++f¢++++++++++++++++++++++++++++++++++++++++ (33': 5‘52 cm 59 ‘3 (I!— ipm r59 Fame \\ \\\\ \ x t:, if) x. [1 LS ++++++++++++++++++++++¥¢¥1¥l¥++++++++++++++++++++++++++++++++ Mrs Hestiyas Express the sum or difference as a product of sines and/or cosines. 27) sin(48) — sin(28) . q +7 3' 23M C05 ) am ayecas _ sin 61 v1 Solve the problem usmg Snell's Law: - — sin 92 _ v2' 28) A light beam in air travels at 2.99 x 108 meters per second. If its angle of incidence to a second medium is 39" and its angle of refraction in the second mediu m is 28", what is its speed in the second medium (to two decimal places)? (7 .5 Ur Cal LL[C1710Y Sin 9i _ L9" in [m C A — 7;“ mode stumch e $11-09), 2' E T f 3 tan CLCLJO éLLl . g 2,93X/0. 5"” 6; H Use the information given about the angle 8, 0 s 6 3 TC 29)cose=§, 7585211 Findcosg. Cog-Br : _J Pkg/{:50K —‘f . \q—t—r—I— JTIS L51 : ~— l—t W5“ ~3 - . .' J “‘7 J7: firs we \ O J”? /‘~ 51 to] Solve the problem. I O [.0 30) A consumer notes the sinusoidal nature of her W115. In winter when she uses electricity to heat her home and in summer when she cools her home, the bills are high. In spring and fall, significantly less electricity is used and the bills are much smaller. The following function models this behavior. 71 n 2 0 ._t _ _ C 6 + 40 Co 3 3] Here C is the cost of power in dollars for the month t, 1 s t s 12, with t = 1 corresponding to January. For what values of t, 1 st 5 12, is the cost exactly $80? . w— H r .— 1“ 41‘ T e 1; J: “no: em washable) (s+2*1>= it is Q; 5‘ 3 a .7 2 IF— (—- ,___(_i l— " P . 1w (slum act-fit . sew J_ :cm fig—hm?) " 4— 6:5“: 2 ‘ ' 9511—: fig '1‘ 1// 6*}; -1:an 3 l m“ — —'ICt-L.Z 23- '2 3 Q PW" ' a 3 ++++++f+++++++++-}-+++++++++++++++++++++++++++++++++++4éfl£t+ +++++f+++f+++fi++++¥§+++ii+++++++++++++ait+++++++++++++ il— __ E k W T i.) {1 Phga ob iy_g ; '%Mrsflcsti_ljgs _ "F’— c..._. . a“ ‘—‘- , 0-— ,-,-—— .r-h ‘ ' _ ‘-‘ 3 r1: 7” “lug-21%t'“ "/3 /fi*Jgf/"—Jl.gk‘l2.FT_;-Tl' <15!” ‘ LlT _: '27 '5 L'~ : L i F13 \ O 0 :rr ii: 3 ____, 2 '7 _ 6 C_ D Use the Half—angle Formulas to find the exact value of the trigonometric function. 7% ' - "“ Swan;— £on e l— Cos 4h 4.; 5' if n -. _. Solve the equation on the interval 0 s 3 < 271. L . 32) csc5 8-4csc820 f__ 1+ Oastf-jw— 2605 9] :O fifipfig—E’: D 7—U¢#Coslr9+%cofia:o + l—- 4mm 0 "ecos*9+ 83039 3, r 0 Coth ,,. WW 4eosiafgcose+320 i'hSmLf'a:O Lei—(jgcg’e—zll '7” Ququu+sz o{ + a SM d; (’03 ~ . leHie- _ _ g 3‘ gm 2’9ng C03 L (O 59: 17:+7_n l XTIC 4 e h a T+ rd lgin C03 ) PO 8 -— z- LS'OL'E‘>COS[36_> :— 0 [4:0 l¢:| K:Q ._.2¢>:|0‘E)Czog?>9 2C :1?)— 91—‘lé:+z_j§ru) g_%+2__l_:::[z) LI: (PA-"HM 1. 5113‘ 2."— if: 309:0 €0S39r~o D a Z”; A 62a allg f}:3”+2:l.j¢_ " H) 3 Kgi QUE-Elie gtfi+w ++++++++++++++++++++++++++++++++++++++++++++++++++++++2F+++++++ ++++++++++++++++++++++++++Z+++++++fi+++++++++++++++++ [<2 D ‘L: c-H _ --.— Mrs Hestz'yas _./~-*--:~ - em in? m 9: 3" -+ —-——4‘ " <92” \ G—Jflir—gh I, 6 - ) - . A ‘ “an—:4 z 1%) Find the real zeros of the trigonometric function on the interval 0 s x < 271 34) fix) = 2 C052 x +3 sin x - 3 ZLLFI "-‘- ULJL : 0 a(:wsr3x)+535an3 “"94; 3—131’n2x4 35o): —_ 3 Si'nx :_ JP: Dmx : f 735” “ls‘L-+3 : _ : X:_W‘ “W XriL “HAD [2—) Si’?)( I U T I G L 29,705 23:?) XHBMnX ‘H I 0 .~ T mg L—oi— $rnX : LL aflnhvbk fl I 3L /, 3T Zuhawf r I D ‘ J 'L ZU—lu —LL+I :0 lint—l) —I(ILL—1):O_2*3—I LL— 1.- : sea a 1 gain toso vet ee uahonont elnterva 5x<36 . x resst eso utlons roun e toone ec1ma U’)Lphln?q'ty1hq' h' 10° 0°Ep hl'() dd __d'1 place. 35)3c052x+2cosx=1 PDOJCLL gum/ca PJ'be 7— modfi {g In ciJjTQ—v— 5 ‘j, : 3605x- +?.c:os Y He, 2 I WEEK" h ' ‘- : 0 Lo [L ‘FDY Tim] B?) xmir : 3U? €0+Q ’Yg eas‘hfis‘n +++++++ ++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++ +++++++++++++ ++++++++++++ +++++++++++++ +++++++++++ Mrs Hestiyas ...
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This note was uploaded on 01/16/2012 for the course MATH 127 taught by Professor Blisinhestiyas during the Fall '11 term at Truckee Meadows Community College.

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WS 2( two) - 19) CS fl+u =secu 2 I Sine-IT— J I S mp}:...

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