Inverse Function Notes

# Inverse Function Notes - Precalc82Notes.notebook...

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Precalc 8­2 Notes.notebook 1 March 10, 2014 Precalculus 8.2: Inverse Trigonometric Functions Day 1 Many trigonometric equations can be solved using inverse trigonometric functions. Remember from earlier this year that a function cannot have an inverse function unless it passes the horizontal line test (no horizontal line can intersect the graph more than once.) If you think about the graphs of sine, cosine, and tangent, they all fail the horizontal line test. Just as we did with quadratics (parabolas), in order to get an inverse function, we have to restrict the domain of the original function.

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Precalc 8­2 Notes.notebook 2 March 10, 2014 Restricted Domains has a restricted domain of ____________________. has a restricted domain of ____________________. has a restricted domain of ____________________.
Precalc 8­2 Notes.notebook 3 March 10, 2014 Notation The inverse sine can be notated as _________________ or ____________________. The inverse cosine can be notated as _________________ or ____________________. The inverse tangent can be notated as _________________ or ____________________.

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Inverse Function Notes - Precalc82Notes.notebook...

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