# How do you calculate #cot^-1 0.684#?

##### 1 Answer

Jul 4, 2016

#### Explanation:

If you are working with a calculator you will only have the Sin, Cos and Tan ratios. However, these can be used to calculate the other three ratios Cot, Sec and Cosec.

The question here is asking " What angle has a Cot value of 0.684?" This is read as ArcCot 0.684

Note: The

First change the cot value that is given to a Tan value by finding its reciprocal

Now you have changed the question to

On a calculator:

The angle is 55.6°