Question

choose the right option and justify your choice

2tan 30° / 1+tan^2 45°

(a)Sin 60° (b)cos 60°
(c)tan 30° (d)sin 30°​

Answer 1

Answer:

Correct option is C)

We know that

tan30

∘

=

3

1

,tan45

∘

=1

∴

1+tan45

∘

2tan30

∘

=

1+(1)

2

2×

3

1

=

1+1

3

2

=

2

3

2

=

3

×2

2

=

3

1

=tan30