Question

1-2sin^2x=0
Solve the equation in the interval 0 12 years ago

Answer 1

can you find 2 values of sin x first ?

Answer 2

sin x = sqrt(1/2)
If you look at the trigonometric table, you will see that sin 45 = sqrt(1/2)
Hence 0<x<360 gives you the answers x = 45, (90+45 = 135)
pi/4 radians, 3/4 pi radians.