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Prove that sin2a=2sina.cosa anyone free MSG me plz​
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5 votes
Prove that sin2a=2sina.cosa


anyone free MSG me plz​

User Blocks
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1 Answer

1 vote

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

Explanation:

User Marcello
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