Factor; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent cot^2 a * tan^2 x + cot^2 a

Answer 1

factor it to get
cot^2 a (tan^2 x + 1) = cot^2 a * sec^2 x
Not sure what your choices are

Answer 2

A.csc^2 alpha B. 1/ sin^ 2 alpha. C. 1 /1-cos^ 2 alpha D. sec^ 2 alpha E. 1+cot^ 2 alpha