Question

cos^2(x)-sin^2(x)=sin(x)

Answer 1

i have simplified it down to \[1-2\sin^2(x)=\sin(x)\]

Answer 2

is it in degrees or radians?

Answer 3

radians

Answer 4

pi/6,5pi/6, 3pi/2,13pi/6

Answer 5

but how do you get there....

Answer 6

use desmos.com/calculator
type in the problem
see where the lines overlap each other

Answer 7

i need to show work cant