Question

3tan 3theta=9/root3
0 degrees<3 theta<90 degrees
Theta/2=?

Answer 1

hey here is your answer


Theta/2= 10°

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Answer 2

Hi ,

Here is your answer !
___________________________

3tan3θ = 9/√3

⇒ tan3θ = 9/3√3

⇒ tan3θ = 3/√3

⇒ tan3θ = (√3 × √3) / √3

⇒ tan3θ = √3

⇒ tan3θ = tan60° ___ [ tan60° = √3 ]

⇒ 3θ = 60° ⇒ θ = 60°/3

⇒ θ = 20°

Now

θ/2 = 20°/2 = 10°

⇒ θ/2 = 10° [Ans.]