हल करना 1/(tan A) - 1/(tan 2A) = 1/(sin 2A) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{1}{\tan\ A}-\frac{1}{\tan\ 2A}=\frac{1}{\sin\ 2A}$$