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Question Number 89958 by 20000193 last updated on 20/Apr/20

$$provethat(1+\sin x/1+\cos 3(1\sin x/1+\mathrm{cosec}x)=tanx$$

Commented by john santu last updated on 20/Apr/20

$$\frac{1+\sin x}{1+\cos 3(1\sin x+\frac{1}{1+\mathrm{cosec}x})}=\tan x?$$

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