Question

prove - cot theta/cos^3 theta cosec
theta + sin theta cos theta = 1 ​

Answer 1

Answer:

Answer

Correct option is

A

1

Given exp.

(

cosθ

1

−cosθ)(

sinθ

1

−sinθ)(

sinθ

cosθ

+

cosθ

sinθ

)

=

sin

2

θcos

2

θ

sin

2

θcos

2

θ

=1