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[" यदि "A+B+C=pi" हो,तो सिद्ध कीजिए कि -...

[" यदि "A+B+C=pi" हो,तो सिद्ध कीजिए कि - "],[" 1."sin2A+sin2B+sin2C=4sin A sin B sin C" ."]

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Theorem 1:sin2A+sin2B+sin2C=4sin A sin B sin C

If A + B + C = pi , prove that sin 2A + sin 2B + sin 2C= 4 sin A sin B sin C

If A+B+C=pi , show that : 1/2 sum sin^2 A (sin 2B+sin 2C) = 3 sin A sin B sin C .

If A+B+C=pi , show that : 1/2 sum sin^2 A (sin 2B+sin 2C) = 3 sin A sin B sin C .

If A + B + C =pi/2 , prove that : sin^2 A +sin^2 B+sin^2 C= 1-2 sin A sin B sin C .

If A+B+C =pi , prove that sin 2A+sin 2B+sin 2C=4 sin Asin B sin C.

If A+B+C=0 , then prove that sin 2A + sin 2B+ sin 2C=-4sin A sin B sin C .

sin(B+C-A)+sin(C+A-B)+sin(A+B-C)=4sin A sin B sin C

If A+B+C=pi , prove that : sin2A+sin2B+sin2C=4sinA sinB sinC

If A+B+C=pi , prove that : sin2A+sin2B+sin2C=4sinA sinB sinC