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.

- September 22nd 2010, 04:46 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. - September 22nd 2010, 06:24 PMskeeter