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What is the formula of 1+sinx and 1-sinx?

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IT Professional Trainer with 18 years of experience in IT Industry

1 + sinx = ^2 1 - sinx =^2
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1 + sinx = [cos(x/2 ) + sin(x/2)]^2

1 - sinx =[cos(x/2 ) - sin(x/2)]^2

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