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# Prove the trigonometric identity $\csc\left(120\right)-\cot\left(240\right)=\tan\left(390\right)$

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## Step-by-step Solution

Problem to solve:

$\csc\left(120\right)-\cot\left(240\right)=\tan\left(390\right)$

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### Explore different ways to solve this problem

Prove from LHS (left-hand side)Express everything into Sine and Cosine
$\csc\left(120\right)-\cot\left(240\right)=\tan\left(390\right)$

### Main topic:

Trigonometric Identities

~ 0.07 s