Question

How do you solve `2cos^2x-sqrt3cosx=0`?

Answer 1

`x=30`

Explanation:

`2cos^2x-sqrt3cosx=0`
or
`2cos^2x=sqrt3cosx`
or
`2cos^2x/cosx=sqrt3`
or
`cosx=sqrt3/2`
or
`cosx=cos30`
or
`x=30`