Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Find the exact value of  using the sum and difference
identities.  Use the diagrams below to assist
you.
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2.
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Find the exact value of  using the sum and difference
identities.  
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3.
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4.
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Given  and  , using the
sum and difference identities determine the value of   (You may assume angles A and B exist
in the first quadrant)
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5.
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Given  and  , using the
sum and difference identities determine the value of   (You may assume angles A and B exist
in the first quadrant)
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