Question

If 3 cot A = 2 then value of sin A is

Answer 1

Answer:

sin A = 2

Step-by-step explanation:

if 3 cot A = 2

cot A = 3/2

since,

cot A = cosA/sinA

cosA = 3

sinA = 2

Answer 2

Given,

3cotθ=2

cotθ=

3

2

tanθ=

2

3

2sinθ+6cosθ

4sinθ−3cosθ

=

2sinθ+6cosθ

4sinθ−3cosθ

×

sinθ

sinθ

---------- ( Multiply and divide by sinθ )

=

sinθ

2sinθ+6cosθ

sinθ

4sinθ−3cosθ

=

2+6(

sinθ

cosθ

)

4−3(

sinθ

cosθ

)

=

2+6cotθ

4−3cotθ

=

2+6×

3

2

4−3×

3

2

=

2+4

4−2

=

6

2

=

3

1