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If sinA=1 then find cosA? |
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Answer» We know that,Sin^2A +Cos^2A=1So,1+Cos^2A=1 [putting sinA =1]Cos^2A=0CosA=0Hope this will help you..... 0 sin2A+cos2A =11 + cos2A = 1Cos2A = 1-1=0 |
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