How do you find the value of cot (pi/2)?

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Jim G. Share
Feb 11, 2016

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Explanation:

the cot function may be written as:

$\cot x = \cos \frac{x}{\sin} x$

hence $\cot \left(\frac{\pi}{2}\right) = \cos \frac{\frac{\pi}{2}}{\sin} \left(\frac{\pi}{2}\right) = \frac{0}{1} = 0$

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