Lesson 24 - Trig Review

Right Triangle:

2 legs- r and q  Hyp- s
SOH- opposite over hyp.   CAH- adj. over hyp.  TOA-  opposite over adj.
 Sin R= r/s      Tan R= r/q     Cos R= q/s       Sin Q= q/s    Cos Q=r/s      Tan Q = q/r    

Non- right triangles:

Sine law Formula:             * only works with Angle Side AS triangles
Sin A   =   SinB                      

  a               b

Cosine Law Formula:   * only works with AS, Side Side

c² = a² + b²  - 2abCosC