Inverse Trig Functions Obj: Be able to evaluate inverse trig expressions. TS: Explicitly assessing information and drawing conclusions. Warm Up: Solve.

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Presentation transcript:

Inverse Trig Functions Obj: Be able to evaluate inverse trig expressions. TS: Explicitly assessing information and drawing conclusions. Warm Up: Solve for x in the interval [0, π] cos(x) = -½

Definition of Inverse Trig y = arcsin(x) if and only if sin(y) = x Domain: Range: y = arccos(x) if and only if cos(y) = x Domain: Range: y = arctan(x) if and only if tan(y) = x Domain:Range:.

Definition of Inverse Trig y = csc -1 (x) if and only if csc(y) = x Domain: Range: y = sec -1 (x) if and only if sec(y) = x Domain: Range: y = cot -1 (x) if and only if cot(y) = x Domain:Range:.

Examples: Evaluate without calc

Examples: Approximate the values of each expression using your calculator.