Question

2 cos 2 titha =√3 the value of titha​

Answer 1

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Given,

$2 \: cos \: 2 \theta = \sqrt{3} \\ \implies \: \: cos \: 2 \theta = \frac{ \sqrt{3} }{2} \\ \implies \:2 \theta \: = {cos}^{ - 1} (\frac{ \sqrt{3} }{2} ) = \frac{\pi}{6} \\ \implies \: \theta \: = \frac{\pi}{12} = {15}^{ \circ}$

Answer 2

Answer

2 cos 2 theta =√3

Or,cos 2 theta =√3/2 =cos 60⁰

Or,2 theta =60⁰

Or, theta=30⁰.

Here is your answer.