# How do you solve #cosxtanx=1/2#?

##### 2 Answers

#### Explanation:

Divide by cos x, under condition

or x diff. to

Use trig table of special arcs and unit circle

General answers:

#### Explanation:

Using the trigonometric identity,

this question can be written as

Note: 'N.D.' means Not Defined. For example,

As you can see in this table, we get the value of

This is called a 'Unit Circle'.

The values in brackets are (

**first** and **second** quadrants. Since we need

**first quadrant**.

To get the second value of **second quadrant**), we subtract

Also note, here

Check out this video for more understanding:

Intro to Arcsin