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Test 3 W11

# Test 3 W11 - Math 111 Winter 2011 Test 3 1 Find the exact...

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Math 111 Test 3 Winter 2011 1. Find the exact value of cos \$% & % ( . A. 0 B. * + C. * , D. * - E. * F. Does not exist 2. Find the exact value of sin \$% &sin & 0* 1 (( . A. 3* 1 B. * 1 C. * 1 D. 3* 1 E. 0* 1 F. Does not exist 3. Solve the following equation for x: 24 tan \$% (࠵͝) = 4࠵͝ 4. Find the exact value of cos(tan \$% (−1)). 5. Find the exact value of cos &sin \$% & - , ((. 6. Write the trigonometric expression tan(sec \$% (࠵͝)) as an algebraic expression in u . A. √1 + ࠵͝ B. √1 − ࠵͝ C. √࠵͝ − 1 D. % √E F \$% E. % √%\$E F F. None of these 7. Rewrite the expression GHI J KLM J in terms of sine and cosine and then simplify.

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