Find the exact value by using a half-angle identity.tan 

A. -2 + 
B. 2 - 
C. 2 + 
D. -2 - 


Answer: A

Mathematics

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A. 5a + 7
B.
C.
D.

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Provide an appropriate response.A prime number has exactly  factor(s).

A. 3 B. 1 C. 0 D. 2

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Graph the function over a one-period interval.y = -  cos + 2

A.

B.

C.

D.

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