Homework Help: Math

Posted by Momo on Saturday, December 5, 2009 at 9:17pm.

Solve for x: 2sin^2x = 3sinx + 2 on
-pi < x < 4pi
(the "<" signs are less than or equal to)

i got the following answers: -pi/6, 7pi/6, 11pi/6, -5pi/6, and 23pi/6

are there any more answers?

thank you!

Math - Reiny, Saturday, December 5, 2009 at 9:40pm
You missed one angle.

7pi/6 + 2pi = 19pi/6

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