Question

in traingal ABC, if a-3, b=4, and sin A=
A 3/4
find angel B​

Answer 1

Answer:

Ans. (b). We have

a

sinA

=

b

sinB

⇒sinB

a

b

sinA

Since a=3, b=4 sinA=

4

3

,

we get sinB=

4

3

×

4

3

=1∴B=90