Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which equation is a reciprocal identity?
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2.
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Which equation is a quotient identity?
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3.
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Which expression is equivalent to  ?
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4.
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Which expression is equivalent to  ?
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5.
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Which expression is equivalent to  ?
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6.
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Simplify  . Round your answer to the nearest hundredth. A. | 0.47 | C. | –0.75 | B. | –1.15 | D. | 0.42 |
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7.
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Simplify  .
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8.
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Which expression is equivalent to  ?
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9.
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 can be rewritten as
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10.
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What is the general solution, in radians, to the equation  ? A. |  where  | C. |  where  | B. | no solution | D. |  where  |
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Short Answer
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1.
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Find the exact value of  .
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2.
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Verify graphically that  for  .
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Problem
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1.
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Prove the identity  .
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2.
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Prove the identity  .
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3.
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Prove that the equation  is true for all values of
x.
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