Question

prove that cot 2 theta + tan theta=cosec2 theta​

Answer 1

Step-by-step explanation:

ANSWER

(tanθ+cotθ)

2

=sec

2

θ+cosec

2

θ

L.H.S (tanθ+cotθ)

2

=tan

2

θ+cot

2

θ+2tanθcotθ

=sec

2

θ−1+cosec

2

θ−1+2tanθ

tanθ

1

=sec

2

θ+cosec

2

θ−2+2

=sec

2

θ+cosec

2

θ

=R.H.S.

solution

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