Question

7. Using the formula, tan 2A =
2 tan A find the value of tan 60", it
1 - tan-A'
being given that tan 30º =
1/√3​

Answer 1

Step-by-step explanation:

Put A=30

∘

⇒2A=60

∘

tan60

∘

=

1−tan

2

30

∘

2tan30

∘

=

1−(

3

1

)

2

2×

3

1

=

1−

3

1

2×

3

1

=

3