Question

find d value of sin 15°

Answer 1

Solution:-

given:-

sin15

sin(40-30)

sin45.cos30 -sin30.cos45

$\frac{1}{ \sqrt{2} } \times \frac{2}{ \sqrt{3} } - \frac{1}{2} \times \frac{1}{ \sqrt{2} } \\ \frac{2}{ \sqrt{6} } - \frac{1}{2 \sqrt{2} } \\ \frac{4 + \sqrt{3} }{2 \sqrt{6} }$

Answer 2

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find the value of sin 15.

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