Cosine Law (Unknown Angle - SSS) $\cos A=\frac{b^2+c^2-a^2}{2bc}$

  1. 1
    Find $\angle C$.
    ( trigonometry / trig )figure
  2. 2
    Find $\angle M$.figure
  3. 3
    Find $\angle P$.figure
  4. 4
    Solve the triangle.figure
  5. 5
    Solve the triangle.figure

$$e=mc^2$$