Math, asked by kavinrahul09, 9 months ago

if3sinB=2cosb then find the value of sin2B

Answers

Answered by auxiliadominic

2

Step-by-step explanation:

Given that ,

3sin B = 2cos b

then,

3sinB=2cos(90°-b)

3sinB=2sinb

3/2=sinb/sin B

therefore,

sinB= 2----------(1)

from equal 1

= sin²B=(2)²

= 4

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