Question

Which expression is equivalent to sec^2 x cot^2 x?
A. sin^2 x
B. csc^2 x
C. 1/cos^2 x
D. 1/sin^2 x

Answer 1

ding ding \(\bf sec^2(x)cot^2(x)\implies \cfrac{1}{\cancel{cos^2(x)}}\cdot \cfrac{\cancel{cos^2(x)}}{sin^2(x)}\)

Answer 2

so D?

Answer 3

@dan815