How do I find them?

Geometry Level 4

cot ⁡ x = π 2 + x \large \cot x=\dfrac{\pi}{2}+x

Find the number of solutions of the above equation in the interval ( − π , 3 π 2 ) \left(-\pi, \dfrac{3\pi}{2}\right) .


The answer is 3.

Akshat Sharda by Akshat Sharda , 21, India

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1 solution

Deepak Kumar
Jun 22, 2016

Using graph it can be solved easily.

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