Posted by **Anonymous** on Sunday, April 21, 2013 at 10:21pm.

Graph the parametric equations:

x=cos(t) y=sin(t) z=cos(2t)

How would I go about solving this problem? thanks!

- Calculus -
**Steve**, Monday, April 22, 2013 at 12:19am
well, you know that the x-y part is just a circle. So, as x-y moves around the circle, z bobs up and down twice. It's saddle-shaped.

Visit wolframalpha.com and type

plot x=cos(t), y=sin(t), z=cos(t)

## Answer this Question

## Related Questions

- Calculus - Graph the parametric equations: x=cos(t) y=sin(t) z=cos(2t) How would...
- tigonometry - expres the following as sums and differences of sines or cosines ...
- algebra - Can someone please help me do this problem? That would be great! ...
- calculus - Differentiate. y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x...
- TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...
- Math - Solving Trig Equations - What am I doing wrong? Equation: sin2x = 2cos2x ...
- Math - Calculus - The identity below is significant because it relates 3 ...
- precalculus - To what interval I must we restrict the parameter t if the graph ...
- Precalculus - Find the sum of all possible values of the constant k such that ...
- Precalculus - Find the sum of all possible values of the constant k such that ...