Please answer quickly both the questions
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(sin+cos)²=(root2cos)²
1+sincos=2cos²
1=2cos²-sincos
1=2cos(cos-sin)
1/2=cos(cos -sin)
1/2=cosroot2
1+sincos=2cos²
1=2cos²-sincos
1=2cos(cos-sin)
1/2=cos(cos -sin)
1/2=cosroot2
ranjan143nyk:
ooo ok
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