Question

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$how \: \frac{sin\pi}{ 4 } = \frac{1}{ \sqrt{2} }$

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Answer 1

[0010001111]... Hello Locomaniac... [1001010101]
Here's your answer...

Here, pi/4 has been expressed in radians.
In the radian system, 2pi = 360°
And 180° = pi radian
Since 45 = 180/4, 45° = pi/4 radian.

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