Math, asked by rock2z123, 3 months ago

Sin 2B = 2 sin B is true when B is equal to

Answers

Answered by Rashmeet1278
0

sin 0° is the answer

I helped you!!

Answered by RISINGSPAM
1

BY FORMULA

 \sin(2 \alpha )  = 2 \sin(  \alpha )  \cos( \alpha )

SIN2B=2(SINB)(COSB) —>(1)

IN THE QUESTION YOU GAVE THAT SIN2B=2SINB SUB IN eq.(1)

SIN2B=2SINB(COSB)

2SINB=2SINB(COSB)

COSB=1

 \cos(0\degree)  = 1

B = 0°

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