Question

Under root

1 + sin square theta into sec square theta upon 1 + cos square theta into cos square theta cos 2 theta

Answer 1

Answer:

Answer

(1−cos

2

θ)sec

2

θ

=

sin

2

θ×sec

2

θ

=sinθ×secθ

=

cosθ

sinθ

=tanθ

Hence True.