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Prove that 1+sinθ-cosθ/1+sinθ+cosθ=tan θ/2.Please explain with each and every steps.

Prove that 1+sinθ-cosθ/1+sinθ+cosθ=tan θ/2.Please explain with each and every steps.

Grade:11

1 Answers

Akshay
185 Points
7 years ago
write sin a =2.sin a/2 * cos a/2, and
1-cos a = 2* sin2 a/2 and
1+cos a = 2*cos2 a/2.
Simplify and it will be quite easy

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