Question

sec^2-cot^2(90-theta)=cos^2(90-theta)+cos^2theta​

Answer 1

Answer:

Answer for the given problem is given

Step-by-step explanation:

Used formulae:

Cot(90°-A)= TanA

Sec^2 A-Tan^2 A=1

Cos(90°-A) = Sin A

Sin^2 A+Cos^2 A=1

Answer 2

Answer:

I hope it's help u!!!!!!