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Prove that (1-sinA-cosA)^2=2(1-sinA)(1-cosA)
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Prove that (1-sinA-cosA)^2=2(1-sinA)(1-cosA)

User German Quinteros
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So this is the answer...

Hope this can help :)

Prove that (1-sinA-cosA)^2=2(1-sinA)(1-cosA)-example-1
User Sandeep J Patel
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