Difference between revisions of "Final exam information"
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Revision as of 13:26, 20 November 2013
The following is a list of formulae that will be provided on the final exam should they be required.
| Name | Equation |
|---|---|
| Law of Cosines | $a^2=b^2+c^2-2bc\cos(\theta)$ |
| Trig identities | $\sin^2\theta +\cos^2\theta=1$ |
| $\sin(A+B) = \sin(A)\cos(B) + \cos(A)\sin(B)$ | |
| $\cos(A+B) = \cos(A)\cos(B) - \sin(A)\sin(B)$ | |
| $\tan(\theta) = \dfrac{\sin(\theta)}{\cos(\theta)}$ |
| Special triangles | ||
|---|---|---|
| $\theta$ | $\sin(\theta)$ | $\cos(\theta)$ |
| 0 | 0 | 1 |
| $\dfrac{\pi}{6}$ | $\dfrac{1}{2}$ | $\dfrac{\sqrt{3}}{2}$ |
| $\dfrac{\pi}{4}$ | $\dfrac{\sqrt{2}}{2}$ | $\dfrac{\sqrt{2}}{2}$ |
| $\dfrac{\pi}{3}$ | $\dfrac{\sqrt{3}}{2}$ | $\dfrac{1}{2}$ |
| $\dfrac{\pi}{2}$ | 1 | 0 |
