Video Instruction     Inverse Trigonometric functions Section 15.1 A review of 1-1 functions (3:41) Section 15.2 Inverse functions and some examples (5:27) Section 15.3 Properties of inverse functions (5:37) Section 15.4 The definition of the inverse sine function (12:40) Section 15.5 The definition of the inverse cosine function (8:14) Section 15.6 The definition of the inverse tangent function (10:43) Section 15.7 Expressions involving inverse functions values (8:21)