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Mathematics
OpenStudy (anonymous):

Find four solutions of the equation (sinx)^2=1/4 for x between 0 and 360 degrees.

OpenStudy (radar):

Taking the square root of boths sides of equal sign. \[\sin x = +/- 1/2\] x=30 degrees, 150 degrees, 210 degrees, and 330 degrees.

OpenStudy (anonymous):

how did you find x to =30 degrees?

OpenStudy (radar):

Take the inverse sin of 1/2 (.5) and get 30 degrees then go around the circle and the rest become obvious.

OpenStudy (radar):

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