Find all the zeros of this function: f(x) = 1 - 3cos(2x) in the interval (pi/2 is less than/equal to x less then equal to pi.

Thank you.

- Sep 22nd 2010, 03:46 PMADHFind all the zeros of this function: f(x) = 1 - 3cos(2x) in this interval?
Find all the zeros of this function: f(x) = 1 - 3cos(2x) in the interval (pi/2 is less than/equal to x less then equal to pi.

Thank you. - Sep 22nd 2010, 05:24 PMskeeter