Math, asked by bawejasonia197pelcbv, 1 year ago

if cos-sin=√2sin prove that cos+sin=√2sin

Answers

Answered by Karimmaniyar444
4
Cos - sin = √2 sin

Cos = √2sin + sin

Cos = sin (√2 + 1)

Cos (√2 - 1) = sin (√2 + 1) (√2 - 1)

√2cos - cos = sin (2 - 1)

√2cos - cos = sin

Sin = √2cos - cos

Sin + cos = √2cos.

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