Question

Prove the above given example​

Answer 1

Answer:

(1−sinA)

(1+sinA)

×

(1+sinA)

(1+sinA)

=

1−sin

2

A

(1+sinA)

2

=

cos

2

A

(1+sinA)

2

=

cosA

1+sinA

=

cosA

1

+

cosA

sinA

=secA+tanA

Hence proved.

Answer 2

Answer:

your answer.

thanks my answer.