Question

tan²theta/(sec theta - 1)² = 1+cos theta/1-cos theta prove it.​

Answer 1

Answer:

ANSWER

(secθ−1)

2

tan

2

θ

=

(secθ−1)

2

sec

2

θ−1

=

(secθ−1)

2

(secθ−1)(secθ+1)

=

secθ−1

secθ+1

=

cosθ

1

−1

cosθ

1

+1

=

1−cosθ

1+cosθ