Please help! Find the parametric representation of the curve
x^2 + y^2 = 25 and z=(1/pi)arctan(x/y)

needs to be in the form: x = x(t); y = y(t), z = z(t).

Question

Please help! Find the parametric representation of the curve 
 x^2 + y^2 = 25 and z=(1/pi)arctan(x/y)

needs to be in the form: x = x(t); y = y(t), z = z(t).

hero · Answer

$$z = \frac{1}{\pi} \times \arctan(\frac{x}{y})$$

hero · Answer

I'm wondering if that's what you mean

anonymous · Answer

yes it is :)

hero · Answer

I'll be back soon hopefully

anonymous · Answer

thanks!

hero · Answer

Okay, I am done, just need to post this

hero · Answer

attachment

hero · Answer

If you have any questions about my solution, feel free to ask.

anonymous · Answer

thanks a lot!

hero · Answer

yw :D

hero · Answer

Sorry Mya, I can't be like you and use Latex.

anonymous · Answer

so if we use sin^2 t +cos^2 t =1 couldn't it also be y=5sint and x=cost and wouldn't this be a differrnt answer?