Express the product as a sum containing only sines or cosines.cos(3?) cos(2?)

A. [ cos ? + cos(5?)]
B. cos2(6?2)
C. [cos(5?) - cos ?]
D. [cos(5?) - sin ?]

Answer: A

Mathematics

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Using a sum or difference identity, write the following as an expression involving functions of ?.tan (? + ?)

A.
B.
C. tan ?
D. -tan ?

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Provide an appropriate response.Multiply and simplify: (2x - 1)3

What will be an ideal response?

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Find functions f and g so that F(x) = (f ? g) (x).F(x) = 

A. f(x) = , g(x) = 8x - 6
B. f(x) = x, g(x) = 8x + 6
C. f(x) = , g(x) = 8x + 6
D. f(x) = -, g(x) = 8x + 6

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Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.ex = 147

A. x = 147e B. x = ln 147 C. x = log3147 D. x = log 147

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Mathematics