Question

Cosec theta√ 1-Cos²theta =1​

Answer 1

Answer:

$cosec \alpha \sqrt{1 - \cos ^{2} \alpha } \\ \\ = cosec \alpha \sqrt{ \sin ^{2} \alpha } \\ \\ = cosec \alpha \sin \alpha \\ \\ = \frac{1}{sin \alpha } \sin \alpha \\ \\ = 1 \: \: \: \: \: (proved) \\ \\ \\ \sin ^{2} \alpha + \cos ^{2} \alpha = 1 \\ \\ {sin}^{2} \alpha = 1 - {cos}^{2} \alpha \\ \\ cosec \alpha = \frac{1}{sin \alpha } \\ \\ \sqrt{x ^{2} } = x$

Answer 2

Answer:

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