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Mathematics 12 Online
OpenStudy (anonymous):

graph the unit circle using parametric equations with your calculator set to radian mode. Use a scale of x/12. Trace the cricle to find the sin and cosine of 11x/6 to the nearest then-thousandth

OpenStudy (anonymous):

argh. I don't have a calculator that will do that. Maybe I can walk you through it though...

OpenStudy (anonymous):

ok :)

OpenStudy (anonymous):

A unit circle has radius 1, right, and is centered over the origin, so that points like (1,0) and (0,1) sit on it... they would be at the "three o'clock" and "12 o'clock" positions, respectively.

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

I think "scale by x/12" could mean that you make a circle of radius 12. What do you think?

OpenStudy (anonymous):

to be honest, I'm rusty on parametric circle equations, and without a calculator, this is gonna be tough... :(

OpenStudy (anonymous):

i have no idea, its ohkay thanks for trying!

OpenStudy (anonymous):

Do you know how to "bump" your question to the top? Bump it up and see if you can get someone who hasn't forgotten as much as me ;) Sorry I wasn't better on this one... I'm stronger in some areas than others :)

OpenStudy (anonymous):

i figured it out, it was simpler than i thought

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