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26-04-2020
Mathematics

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Prove that sin2a=2sina.cosa

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sarah006 sarah006

05-05-2020

Answer:

We know that sin(A+B) = sin A cos B + cos A sin B

No, replace B by A

sin(2A)=sin A cos A + Sin A cos A = 2 sin A cos A

Step-by-step explanation:

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