Math, asked by prick8595, 9 months ago

2 sin π/8=√2-√2 prove that

Answers

Answered by raghavpareek48
0

Answer:

Step-by-step explanation:

cos2x = 1-2(sinx)^2.

sinx=\sqrt{(1-cos2x)/2}

sin x/2 = \sqrt{(1-cosx)/2}

then put x = pie/8

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