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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What is an equivalent expression for  ?
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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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Simplify  .
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6.
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 can be rewritten as
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7.
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 can be rewritten as
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8.
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What is the solution to the equation  over the domain  ?
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9.
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What is the solution to the equation  over the domain  ? A. | 60° and 240° | C. | no solution | B. | 120°, 180°, and 240° | D. | 120° |
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10.
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What is the general solution, in radians, to the equation  ? A. |  , where  | C. | no solution | B. |  , where  | 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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Use a counterexample to show that  is not an identity.
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3.
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What is the solution for  for  ?
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Problem
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1.
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A skateboard ramp is built with an incline angle of  . If the base of the ramp
is 1 m in length, determine the exact height of the ramp.
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2.
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Prove the identity  .
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