quant. reasoning

[c3p]

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so what equations are essential to know--especially for trig and geometry? and also for conversions how many do we need to know? like kg/lb inch/cm, but any obscure ones? thanks.

 

[alanan84]

Know your formulas for area, perimeter, and volume. Know your trig identities, the ones in Destroyer helped me. I didn't have any obscure questions.