Question

if root 3 tan equal to 1 then find the value of sin square theta minus cos square theta ​

Answer 1

Answer:

root3

tanθ=1

⇒tanθ=

3

1

⇒θ=60°

∴sin

2

θ−cos

2

θ=sin

2

θ−cos

2

θ

=(

2

3

)

2

−(

2

1

)

2

=

4

3

−

4

1

=

2

1