If cosA - sinA=1,prove that cosA + sinA=+-1

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If cosA - sinA=1 show that that cosA + sinA=+-1

If CosA+SinA=1, Prove that CosA-SinA=+_1

prove that cosA-sinA=+-1, when cosA+sinA=1
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Автор

Thanks for the answer it helped a alot

sprenza
Автор

Thank you so much sir i was trapped in this question you cleared all my doubt thank you sir

ishant