Solve each equation in the interval (0,2pie)

Kenneth S. answered • 03/03/16

Tutor

4.8 (62)

Let's cut to the chase: I know this subject & how to teach YOU

4sin^2x-3=0 ⇒ sin²x = 3/4 ⇒ sin x = ±√(3) / 2 and you can take it from there...you should get four answers.

Remember the characteristics of a 30-60-90 degree triangle, and that sines are positive in 1st & 2nd quadrants, negative in 3rd & 4th quadrants.

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