Right Triangle Trigonometry (1.5 of book I use in class)
Inverse Trigonometric Functions 1: http://youtu.be/wSwWR36QLd8
Intro to Inverse Trig Functions. Definition of inverse trigonometric functions and examples are in Part 2.
Inverse Trigonometric Functions 2: http://youtu.be/f8YFcH1-Ezg
Defines the Inverse Trig Functions for Sin, Cos, and Tan. Shows how to evaluate the inverse trigonometric functions where the answer is a special angle.
Right Triangle Trigonometry 1: http://youtu.be/NYN8Q-tj-BY
Definition of the six trigonometric functions for acute angles of right triangles using the ratios of adjacent and opposite sides (legs) and hypotenuse. Example using the definition of the six trigonometric functions for acute angles of right triangles to find the trig functions of angles in a right triangle.
Right Triangle Trigonometry 2: http://youtu.be/Rbl8qgcs9o8
Right Triangle Trigonometry 3: http://youtu.be/3MbDdt4Nbrc
Solve a Right Triangle 1: http://youtu.be/fjUN809FPRs
Solve a Right Triangle 2: http://youtu.be/w4D4KOxFsKA
Solve a Right Triangle 3: http://youtu.be/2b-qB_LLofY
Solve a Right Triangle 4 Word Problem 2 angle of elevation: http://youtu.be/3umBUlrUCPQ
Solve a Right Triangle 5 Word Problem 1 angle of depression: http://youtu.be/ZWlztbjDBsk
Solve a Right Triangle 6 Word Problem 1 angle of elevation more complicated: http://youtu.be/QZwd7ID6aT4
This example involves 2 triangles, with 2 variables, and a system of equations.