Question

Cos2 teta (1+tan2 teta)=?

Answer 1

Answer:

1

Step-by-step explanation:

=> cos^2 ϑ • (sec^2 ϑ)

=> cos^2 ϑ × 1/cos^2ϑ

= 1

{or 1^2 or 1^3, which ever suits your solution, buddy}