1-cos A / sin A = sin A / 1+cos A
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(1-cosA)(1+cosA)=sinA.sinA
1^2-cos^2A=sin^2A
sin^2A=sin^2A
1^2-cos^2A=sin^2A
sin^2A=sin^2A
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ask2109:
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HEY...!! here is ur answer
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I hope it will be helpful for you..!!
THANK YOU ✌️✌️✌️
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