44573
| Question | Answer |
| log laws | LOGa + LOGb =LOGab / / LOGa - LOGb = LOG (a/b) / / nLOGa = log a^n / / |
| Sequences | Un= a+ (n-1)d / / Sn = n/2(2a+(n-1)d) / / Sn = n/2(a+l) / / |
| Arc length and area of a sector in r | s=r0 / / 1/2 r^20 |
| Trigonometric identites | tanx = sinx/cosx / / sin^2 + cos^2 = 1 |
| Translations | y=f(x)+a - a in the y direction / / y=f(x-a) - a in the x direction |
| Stretch | y=af(x) - sf=a in the y / / y=f(ax) - sf=1/a in the x |
| reflection | y=-f(x) in y axis / / y=f(-x) in x axis |
| Area of a triangle | 1/2 bh / / 1/2 abSinC |
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