Question

sin 2 A =??...formula kya hota hai ​

Answer 1

Answer:

Sin2A= 2sinAcosA

Step-by-step explanation:

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Answer 2

Answer:

sin 2A = 2 sin A cos A. Note: In the above formula we should note that the angle on the R.H.S. is half of the angle on L.H.S. Therefore, sin 60° = 2 sin 30° cos 30°. The above formula is also known as double angle formulae for sin 2A

Step-by-step explanation: