# How do you prove #arccos(x/2) + arctan(x) = pi/2#?

##### 1 Answer

May 24, 2016

You can't prove it. It is not always true.

#### Explanation:

For example, with

It is true only for

May 24, 2016

You can't prove it. It is not always true.

For example, with

It is true only for

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