Question

if cosec θ = √5,
find the value of:
1) 2 - sin ^2 θ - cos ^2 θ
2) 1 + (1/sin ^2 θ) - (cos ^2 θ /sin ^2 θ)

Answer 1

Step-by-step explanation:

1) 2-(sin^2x+cos^2x)

=2-1

=1

now, 1+cosec^2x-cot^2x

=1+1

=2

I hve used x instead of theta.

hope it will help u..

Answer 2

Answer:

hope it will help you and but this answer is =2