Express the product as a sum or difference.sin 3x sin 7x

A. (cos 4x - cos 10x)
B. sin2 21x2
C. (cos 10x - sin 4x)
D. (- cos 4x - cos 10x)


Answer: A

Mathematics

You might also like to view...

Provide an appropriate response.If the series is integrated twice term by term, for what value(s) of x (if any) does the new series converge and for which the given series does not converge?

A. x = 6 B. x = 8 C. none D. x = 6, x = 8

Mathematics

Provide the appropriate response.Find the greatest 3-digit number that has exactly three factors.

A. 963 B. 999 C. 961 D. 973

Mathematics

Match the given equation with one of the graphs.(x + 5)2 = 6(y - 4)

A.

B.

C.

D.

Mathematics

Multiply, then simplify the product. Assume that all variables represent positive real numbers.(8 + )(8 - )

A. 64 - 
B. 58
C. 64 - 
D. 28

Mathematics