Lim x -2sin 2 x-cos x

Lim_x →π/2sin 2x/cos x =lim_x →π/22 sin x cos x/cos =2=lim_x →π/2 sin x =lim_x →π/2 sin x=2 × sin π/2 =2 × 1 =2 ...

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Evaluation of Limit

lim x →π/2sin...

Question

${lim}_{x \to \frac{π}{2}} \frac{s i n 2 x}{c o s x}$

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Solution

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