In triangleABC,A+B+C=pi,show thatsin^2( ...

In `triangleABC,A+B+C=pi`,show that`sin^2( A/2)+sin^2 (B/2)-sin^2 (C/2)=1-2cos(A/2)cos(B/2)sin(C/2)`

In triangleABC,A+B+C=pi,show thatsin^2( A/2)+sin^2 (B/2)-sin^2 (C/2)=1...
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If A+B+C=pi, prove that sin^(2)A+sin^(2)B+sin^(2)C=2(1+cos A cos B cos...
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sin ^ (2) ((A) / (2)) + sin ^ (2) ((B) / (2)) - sin ^ (2) ((C) / (2)) ...
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If A+B+C=pi , prove that : sin^2( A/2) + sin^2( B/2) -sin^2( C/2) =1-2...
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If A+B+C =pi, show that |["sin"^(2)A, "sin A cos A", "cos"^(2)A],["...
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यदि A+ B +C = pi तो सिध्द कीजिये : sin^(2) A + sin^(2) B + sin^(2...
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यदि A+ B + C = pi तो सिध्द कीजिए कि: sin^(2)A –sin^(2)B-sin^(2)C=-2 ...
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यदि A+B+C –pi तो सिध्द कीजिए कि: sin^(2) A+ sin^(2) B-sin^(2) C=2 s...
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यदि A+B+C = pi तो सिध्द कीजिए कि : sin^(2).(A)/(2) + sin^(2).(B)...
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