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Warm Up: Solve for x in the interval [0, π ] cos(x) = -½

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:

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Warm Up: Solve for x in the interval [0, π ] cos(x) = -½

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  1. Inverse Trig FunctionsObj: 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

  2. 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: .

  3. 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: .

  4. Examples: Evaluate without calc

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

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