Express the product as a sum containing only sines or cosines.sin (4?) sin (6?)

A. sin2 (24?2)
B. [cos (2?) - cos (10?)]
C. [- cos(2?) - cos (10?)]
D. [cos (10?) - sin (2?)]


Answer: B

Mathematics

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A. y = -1 B. None C. y = 0 D. y = 3

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Graph the function.f(x) = 5x

A.

B.

C.

D.

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Solve the system of equations by the addition method.

A. (5, -4) B. (5, 4) C. (-5, 4) D. (-5, -4)

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