Trigo
Had the G&T test from hell. Polar graphs and 3D vectors. Would have been easy stuff, but I had to draw and recognize polar graphs. Messed up on the recognizing. On the single question I might have gotten right, I forgot to put in the almighty 'r=' that every polar equation should have. Wups. As for drawing, while I had my calculator with my to sketch out the pretty pictures, on one of them I input a '-' instead of a '+'. Go me. And another one of them did not have the almighty 'r='. So, next best thing, try converting to Cartesian form and working it out from there.
sin2theta = 1
r^2sin2theta = r^2
r^2(2 sintheta costheta) = r^2
2 rsintheta rcostheta = r^2
2xy = x^2 + y^2
....................................And how in the hell do I draw THAT?!?!?!?!?!?!?!?!?!?!?!??!?!!?
Anyway, gonna follow my own advice and not worry about what's over. Go me. Anyway, assuming all my 3D vector stuff was correct, I should still get 80%. Ish. Not amazing, but it'll have to do.
*gor* prayedÃÂ
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8:59 PMÃÂ
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