Question

The value of 1 ÷1+cot Sq A​

Answer 1

Step-by-step explanation:

$\frac{1}{1 +{cot}^{2} \alpha } \\ \\ = \frac{1}{ {cosec}^{2} \alpha } \\ \\ = {sin}^{2} \alpha$

[

${cosec}^{2} \alpha \: - {cot}^{2} \alpha = 1 \\ \\ \frac{1}{cosec \alpha } = sin \alpha$

]

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