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Verify the identity algebraically. Use a graphing utility to check your result graphically. $$\sec \frac{u}{2}=\pm \sqrt{\frac{2 \tan u}{\tan u+\sin u}}$$...

Question

Verify the identity algebraically. Use a graphing utility to check your result graphically. $$\sec \frac{u}{2}=\pm \sqrt{\frac{2 \tan u}{\tan u+\sin u}}$$

Verify the identity algebraically. Use a graphing utility to check your result graphically. $$\sec \frac{u}{2}=\pm \sqrt{\frac{2 \tan u}{\tan u+\sin u}}$$



Answers

Verify the identity algebraically. Use the table feature of a graphing utility to check your result numerically. $$\frac{\tan x+\cot y}{\tan x \cot y}=\tan y+\cot x$$


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