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Free webinar on Robotics (Block Chain) Learn to create a Robotic Device Using Arduino
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Sin2A+sin2B+sin2C-sin2(A+B+C)=4sin(B+C).sin(C+A).sin(A+B) Sin2A+sin2B+sin2C-sin2(A+B+C)=4sin(B+C).sin(C+A).sin(A+B)
Dear student Please refer the link https://www.askiitians.com/forums/Trigonometry/prove-sin2a-sin2b-sin2c-sin2-a-b-c-4sin-b-c-sin-c_223599.htm
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