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

sin 2= cosxx

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- March 15th 2013, 02:50 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* - March 15th 2013, 02:58 PMProve ItRe: Need to find all values of X in the interval [0, 2pi]
I can't read your equation. Is it ?

- March 15th 2013, 04:39 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?