Question

if sin 2A= 2 sin A , then find A​

Answer 1

Answe

Step-by-step explanation:

Sin 2A= 2SinA.CosA

2SinA.CosA=2SinA

Hence solution is SinA=0

hence A is 0°

or cos A =1 2 which is also 0

Answer 2

Answer:

here, A= 0°

Step-by-step explanation:

putting A=0° in this equation,

Sin (2× 0°) = 2× sin 0°

Sin 0°= 2× 0 ( sin 0°= 0)

0= 0

verified...

therefore , A = 0°

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