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Mac1114 Quiz 6

Mac1114 Quiz 6 - denominator k:véfiosb 2 4 08 LE 7 5M9...

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Unformatted text preview: denominator. k:véfiosb ' 2. . 4%? 08+ LE: 7 5M9) : OPP “ML a 7 7— ' m ? 9’ m a 0L + '6 = 1+9 HEW . ,L _. a : 33 , 3 fi \{j-st‘ COS: 2 ii. : "gim— OfiDosR—Ee 9' a: a” * “Kg; " vs“: 33 2) (8 points) Solve the right triangle using the information given. Round answers to two decimal places, if necessary. a I A+E:95 o as Nit: $323 cm”... A a... 6% m as; é»? 0L. -3 m CL b = 8, A = 25°; Find a, c, and B. .LOQ A :: T JCQAZE, a. 30 0L: %- 2gb it.“ 9 MAC1114 004 , QUIZ 6 NAME: Calculators are permitted. There are 4 questions (one is bonus). Time allowed is 12 minutes. Show your work clearly. 1) (6 points) Find sin(6), cos(9) and tan(6). Give an exact answer with a rational {Mal Jc;\nes*e3 are severcfl wad-35:: of, ,Ri‘mggmg c_ 2 'z " '2. 00$ @ smAz-EL @C IQ—l—lo C 2. CLB . '123‘ c?£§?%)i~8z O \ 2‘ (x Q9526 : T Sn 5 C. C: 3.?3 c: 253%3 “W_ C- 3 Nggg gaze" c;-:\’ 4mm ‘ $955211; MAC1114 004 QUIZ 6 3) (6 points)A building 150 feet tall casts a 30 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes are level with the top of the building.) @efS DO 4) Bonus: (5 points) John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he is standing as 35°. He walks 30 feet closer to the tree and finds that the angle of elevation has increased by 12°. Estimate the height of the tree rounded to the nearest whole number. Ti‘a mie 0&1 Q‘QNQ'ifion Hm. SECOAA okserva‘adn (St gsi-r- If 2103 . tag, the. is me We ascend “Bimajej a Whiz-35g— a; x—gtpkmua From Baa vQV‘SAC Ema}e’) 7 7 I 1‘ o I]; L O u a “2—2):— X’flb'%a455 x+3o we, Loom stag x’_x:30- So, b-(tonss“~tmc+3> :2 30. 30 M4 fit. New 09 Hm Jams «xewéziétli fissimwf So: ...
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