Flashcards
C2 - Formulae to learn
Cards in this deck (16)
- 1sine rule\(\frac{a}{\sin A} = \frac{b}{\sin B} = \frac{c}{\sin C}\)
- 2cosine rule\(a^2 = b^2 + c^2 - 2 b c \cos A\)
- 3area of triangleArea \(= \frac{1}{2} b c \sin A\)
- 4remainder when polynomial \(f(x)\) divided by \((x-a)\)\(f(a)\)
- 5\(a^b=c\)\(b=\log_ac\)
- 6\(\log_ax+\log_ay\)\(\log_a(xy)\)
- 7\(\log_ax-\log_ay\)\(\log_a\big(\frac{x}{y}\big)\)
- 8\(k\log_ax\)\(\log_a(x^k)\)
- 9\(\tan\theta\)\(\frac{\sin\theta}{\cos\theta}\)
- 10\(\cos^2\theta+\sin^2\theta\)1
- 11\(\pi\) radians\(180^\circ\)
- 12area of sectorA \( =\frac{1}{2}r^2\theta\)
- 13\(\int x^n dx\) (\(n \neq -1\))\(\frac{1}{n+1}x^{n+1}+c\)
- 14\(\int \Big( f'(x) + g'(x) \Big) dx\)\(f(x) + g(x) + c\)
- 15area between curve, x-axis and points \(a\) \(b\)\(\int\limits_a^b y dx \)
(when \(y \ge 0\)) - 16area between curve, y-axis and points \(c\) \(d\)\(\int\limits_c^d x dy \)
(when \(x \ge 0\))