# Check my answers dealing with values and solutions?

• November 12th 2012, 04:56 PM
INeedOfHelp
Check my answers dealing with values and solutions?
• November 12th 2012, 06:01 PM
skeeter
Re: Check my answers dealing with values and solutions?
1. you are missing the solution values from $2\pi$ to $4\pi$

2. $-\pi$ , not $\pi$

3. $\frac{\pi}{2}$ is correct, $\frac{\pi}{4}$ is not

4. is the equation ...

$2\cos\left(\frac{3}{10x}\right) - 3\sin\left(\frac{1}{2x}\right) = 0$

???
• November 12th 2012, 06:17 PM
INeedOfHelp
Re: Check my answers dealing with values and solutions?
So,
1. pi/3 & 7pi/3 ?
3.pi/2 & pi/3 ?
4. yes, that's the equation