Question

Solve by factoring the trig equation 2sin^2-sinx-1=0

Answer 1

(2sinx + 1 )(sinx - 1 ) = 0
sin x = -1/2 or 1
x = 90, 210, 330 degrees ( in range 0 - 360)

Answer 2

The answers need to be in terms of (0-2pi) I got 7pi/6, 2pi and 11pi/6, 2pi... Am i wrong?

Answer 3

90 degrees = pi/2, 210 degrees = 7pi/6, 330 degrees = 11pi/6
these are in radians

Answer 4

Thank you! :)

Answer 5

yw

Answer 6

2pi is incorrect