# Math Help - dx/dt problem

1. ## dx/dt problem

Click on the photo to see it clearly .

2. ## Re: dx/dt problem

$\frac{x}{4}= tan(\theta)$

3. ## Re: dx/dt problem

Originally Posted by HallsofIvy
$\frac{x}{4}= tan(\theta)$
I need the Rate of of theta (theta= ..... rad/sec)

4. ## Re: dx/dt problem

"Rate of theta" doesn't make any sense, nor does "theta= rad/sec". You mean you want the rate of change of theta, with respect to time. So differentiate the equation I gave you with respect to t.