Domain and Range of Trigonometric Functions

The video tutorial explains the concepts of domain and range for trigonometric functions. It covers the domain and range of sine, cosine, and tangent functions, highlighting that sine and cosine are defined for all real numbers with a range between -1 and 1. The tangent function is defined for all real numbers except odd multiples of π/2, with a range of all real numbers. The video also discusses how adding or multiplying constants affects these functions, and it extends the discussion to cotangent, cosecant, and secant functions, explaining their domains and ranges.

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