Math, asked by DUBEYSHUB27, 11 months ago

Prove the following identities: 1/1+cosθ + 1/1-cosθ = 2sin2θ

Answers

Answered by sandy1816

1

Step-by-step explanation:

1/1+cosθ+1/1-cosθ

taking LCM

=1-cosθ+1+cosθ/1-cos²θ

=2/sin²θ

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