Question

√1-cos/1+cos=sin/1+cos a​

Answer 1

Step-by-step explanation:

√1-Cosa/1+Cosa × (1+Cosa/1+Cosa)

√(1-Cosa)(1+Cosa)/(1+Cosa)²

√(1-Cos²a) / (1+Cosa)²

√Sin²a/ (1+Cosa)²

√(Sina/1+Cosa)²

Sina/(1+Cosa)

Answer 2

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