Hi,

The question is solve for ipi =< x <= pi:

$\displaystyle 2sin(x)cos(x) + sin(x) = 0$

but i get as far as

$\displaystyle 2cos^{3}(x) + cos^{2}(x) - 2cos(x) - 1 = 0$

and then can't get further. Am i on the right track?

Printable View

- Dec 8th 2009, 12:05 PMacebandSolving a trig equation
Hi,

The question is solve for ipi =< x <= pi:

$\displaystyle 2sin(x)cos(x) + sin(x) = 0$

but i get as far as

$\displaystyle 2cos^{3}(x) + cos^{2}(x) - 2cos(x) - 1 = 0$

and then can't get further. Am i on the right track? - Dec 8th 2009, 12:09 PMe^(i*pi)
- Dec 8th 2009, 12:09 PMmr fantastic