Question

How do you solve for x?

`5cos(x/3)-4sqrt3=0`

Answer 1

`phi`

Explanation:

`5cos(x/3)-4sqrt3=0rArr5cos(x/3)=4sqrt3`
`rArrcos(x/3)=(4sqrt3)/5~~(4(1.7))/5`
`rArrcos(x/3)~~(6.8)/5`
`cos(x/3)~~1.36!in[-1,1]`
So,the `equ^n` has no solution,