Math, asked by chungkhamprity, 1 month ago

Prove the identity:cos²theta-sin²theta=cot²theta-1/cot²theta+1

Answers

Answered by ajskjjs

0

Answer:

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Answered by 19k3864

0

Answer:

Step-by-step explanation:

Identity : sin

2

θ+cos

2

θ=1

LHS = cosecθ

(1−cos

2

θ) =cosecθ

sin

2

θ

=cosecθsinθ

=

sinθ

1

×sinθ

=1

=RHS

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