tanA = sin2A is true when A =
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Answer:
It is very easy to understand the formula of sin2A if you know the formula of sin(A+B) that is :
Sin(A+B)=sinAcosB+cosAsinB
Now replace B with A and formula becomes
SinAcosA+sinAcosA=2sinAcosA
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Answer:
tanA = sin2A is true when A = 0
Explanation:
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