Find all values of X in the interval [0,2pi]

sin 2= cosxx

Printable View

- Mar 15th 2013, 03:50 PMmlaschanskyNeed to find all values of X in the interval [0, 2pi]
Find all values of X in the interval [0,2pi]

sin 2= cos*x**x* - Mar 15th 2013, 03:58 PMProve ItRe: Need to find all values of X in the interval [0, 2pi]
I can't read your equation. Is it ?

- Mar 15th 2013, 05:39 PMHallsofIvyRe: Need to find all values of X in the interval [0, 2pi]
Assuming that it

**is**, use a trig identity: one solution is cos(x)= 0 which gives . If cos(x) is NOT 0, we can divide both sides to get so that . Can you solve that?