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What is (\frac{\sin x}{1+\cos x}) equal to?(\frac{\sin x}{1+\cos x}) किसके बराबर है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\tan \frac{x}{2})(\tan \frac{x}{2})
The standard half-angle identity is (\tan \frac{x}{2}=\frac{\sin x}{1+\cos x}). Identify the half-angle form quickly.मानक अर्ध कोण पहचान (\tan \frac{x}{2}=\frac{\sin x}{1+\cos x}) है। ऐसे रूप में अर्ध कोण तुरंत पहचानें।
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