Question

If (tano=1/V3 Then (2+ Cos^2 O)/(2-sin^20)] = O 11/7 O 5/7 O 8/3 03/14​

Answer 1

Step-by-step explanation:

tanθ=

3

1

⇒tanθ=tan30

∘

⇒θ=30

∘

cosec

2

θ+sec

2

θ

cosec

2

θ−sec

2

θ

=

cosec

2

30

∘

+sec

2

30

∘

cosec

2

30

∘

−sec

2

30

∘

=

2

2

+(2/

3

)

2

2

2

−(2/

3

)

2

=

4+4/3

4−4/3

=

12+4

12−4

=

16

8

=

2

1