Verify the identity.sin3 x cos2 x = sin x (cos2 x - cos4 x)

What will be an ideal response?


sin3 x cos2 x = sin x (1 - cos2 x) (cos2 x) = sin x (cos2 x - cos4 x).

Mathematics

You might also like to view...

Find the conditional probability.If two cards are drawn at random without replacement from a standard deck, find the probability that the second card is a spade, given that the first card was a spade.

A.
B.
C.
D.

Mathematics

Evaluate the root, if possible.

A.
B.
C.
D.

Mathematics

Perform the indicated operation and reduce the answer to lowest terms. + 

A.
B.
C.
D.

Mathematics

Find the rational fraction in lowest terms represented by the periodic decimal.1.181818 . . .

A.
B. 11
C. 1
D. 1

Mathematics