Simplify the expression

MATHEMATICS · Single correct · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

\csc^{2}x-\cot^{2}x

. Which of the following is the correct result? (a)

\tan^{2}x

(b)

\sin^{2}x

(c)

1

(d)

\sec^{2}x