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Mathematics 20 Online
OpenStudy (anonymous):

is there a website where i can plug in my equation and it could graph the picture for me?

OpenStudy (lgbasallote):

www.wolframalpha.com

OpenStudy (anonymous):

I <3 alpha

OpenStudy (lgbasallote):

everyone does >:))

OpenStudy (anonymous):

ok if i have this equation r1=2^2 cos(45theta)+6 and r2=sin(450theta)+2

OpenStudy (anonymous):

polar and degrees

OpenStudy (anonymous):

my window : theta max 360 theta min 0 theta step 10 x min -10 xmax 10 xscl 10 y min -10 ymax 10 yscl 1

OpenStudy (anonymous):

it gives me a flower, now i press 2nd graph and the table comes out, how do i graph this manually with this info ont he table?

OpenStudy (anonymous):

For alpha, to plot in polar coordinates, type "polar plot r= , theta = a to b"

OpenStudy (anonymous):

But of course, put the right equation in for r, and put the range that you want for theta.

OpenStudy (anonymous):

To plot without a graphing function, plug in specific angles and plot the radius at that angle on your graph. Pick angles of theta that will make cos(45theta) easy to calculate, like theta = 0, theta = 2, theta = 4

OpenStudy (dumbcow):

you could also try graphcalc.com its like having a graphing calculator on your computer

OpenStudy (anonymous):

Keep plotting points until you can see the pattern.

OpenStudy (anonymous):

but there are so many points, it goes one by one on the theta column

OpenStudy (anonymous):

Is there any chance your function is supposed to be just 2^2*cos(theta) +6 and sin(theta)+2? adding in the 45 and the 450 makes it crazy. Or maybe it's supposed to be cos(45+theta)? That makes so much more sense.

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