Question

if A=45° verify that sin2A=2sinA cos A​

Answer 1

Answer:

A=45

sin2A= sin90=1

sinA=sin45=1/root 2

cosA=cos45=1/root 2

therefore,

LHS=1

RHS= 2×1/2=1

hence LHS=RHS

Step-by-step explanation:

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Answer 2

Answer:

Here is your valuable and easy answer