M17 LE5 Sem2 09-10 - the minute hand is p 21 inches? (Hint:...

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MATH 17 LE5 | 03.23.10 SHOW ALL NECESSARY SOLUTIONS. WORK NEATLY. I. Find the exact value of the following. 1. cos - 1 (cos5) 2 pts 2. tan[2sin - 1 (0.75)] 5 pts 3. sin cos - 1 ± - 3 5 - csc - 1 ± 5 3 ¶‚ 5 pts II. Simplify. Write your answer in rectangular form. 6 pts cis 180 - i 21 ( p 3cis 15 ) 4 3cis 120 III. Find the solution set of the following equations. 5 pts each 1. 4sin2 x - 3csc2 x = 4, where 0 < x 2 π 2. cos - 1 (cos x ) = π 4 3. sin - 1 x - cos - 1 x = π 6 4. z 6 + 2 i = 2 (Write your answer in polar form.) IV. Answer the following completely. 6 pts each 1. A clock has a 4-inch hour hand and a 5-inch minute hand. (a) How far are the tips of these hands of the clock when it is 4:00? (b) What time is it if the minute hand is pointing at 12 and the distance between the tips of the hour hand and
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Unformatted text preview: the minute hand is p 21 inches? (Hint: There are two possible answers.) 2. Daniel, standing on a rooftop 10 ft high from the ground, saw a red car in his east with 30 ◦ angle of depression and a blue car in his west with 45 ◦ angle of depression. (a) How far are the two cars apart from each other? (b) How far are the two cars from the rooftop? *END OF EXAM* Total: 50 points "PAGHUSAYIN N’YO PO."-AKO (. ..dahil wala nang mahanap na quote. ..) /ajdporlante 03.22.10/ 1...
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This note was uploaded on 08/05/2011 for the course MATH 17 taught by Professor Aaronjamesporlante during the Spring '11 term at University of the Philippines Diliman.

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