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Question Number 134902 by deleteduser12 last updated on 08/Mar/21

Commented by bobhans last updated on 08/Mar/21

$$\mathrm{use}\mathrm{that}(1+\sec 2\mathrm{x})\cot 2\mathrm{x}=\frac{1+\cos 2\mathrm{x}}{\sin 2\mathrm{x}}=\cot \mathrm{x}$$

Answered by bobhans last updated on 08/Mar/21

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