Question

20. sin 2A = 2 sin A is true when A =​

Answer 1

Answer:

sin 2A=2sin A os true when A=\pi

Step-by-step explanation:

sin 2 pi=2 sin pi. [:. sin pi =0]

[:. sin 2pi=0]

0=2*0

0=0

Answer 2

Answer:

When A=0,

then sin2A=2sinA is true.

Step-by-step explanation:

I hope it will helpful for you !