# find all solutions

• Mar 23rd 2009, 04:21 PM
guardofthecolor4ever
find all solutions
tanxsinx-sinx=0

I can get to sinx(tanx-1)=0
and that sinx=0

where do i go from there???
• Mar 23rd 2009, 04:26 PM
e^(i*pi)
Quote:

Originally Posted by guardofthecolor4ever
tanxsinx-sinx=0

I can get to sinx(tanx-1)=0
and that sinx=0

where do i go from there???

sin(x)= 0 at $x = 0 \pm k\pi$ where k is an integer

Then do tan(x)-1=0

tan(x) = 1 at $\frac{\pi}{4} \pm k\pi$ where k is an integer