No. 5 Solving a Right Triangle (Pythagorean Theorem and Inverse Tangent Function)
No. 17 Ladder Problem (Solving a Right Triangle Using Sine)
No. 25 Angle of Depression From a Cell Phone Tower to a Cell Phone User
No. 36 A Problem Solved by Using Two Right Triangles
No. 49 Simple Harmonic Motion
No. 52 Simple Harmonic Motion