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    Exam 6: Trigonometric Identities and Conditional Equations
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    Simplify the Expression by Using a Sum or Difference Identity
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Simplify the Expression by Using a Sum or Difference Identity

Question 524

Question 524

Multiple Choice

Simplify the expression by using a sum or difference identity.
-Simplify the expression by using a sum or difference identity. -  A)    B)  - 1 C)    D)


A) Simplify the expression by using a sum or difference identity. -  A)    B)  - 1 C)    D)
B) - 1
C) Simplify the expression by using a sum or difference identity. -  A)    B)  - 1 C)    D)
D) Simplify the expression by using a sum or difference identity. -  A)    B)  - 1 C)    D)

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