Question

cos^2 A + cos^2A cot^2A =cot^2A

Answer 1

cos^2A(1+cot^2A)=cos^2A(tan^2A+1)/tan^2A

cos^2A(sec^2A)*cos^2A/sin^2A

cot^2A



proved

Answer 2

Step-by-step explanation:

hope it helps you.....