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Published byChana Gilkerson Modified about 1 year ago

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What is a FUNCTION? an input/output machine where… …each input has EXACTLY one output. …outputs are 100% predictable.

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Example:

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So what does an INVERSE function do? It reverses the process of a function. Consequently, it changes the outputs BACK to inputs.

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INVERSE example: INVERSE Function Machine

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What about trigonometric functions? Sine, cosine, and tangent have ANGLES as inputs. Their outputs are a ratio of sides (Remember Soh-Cah-Toa)

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sin( )

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How do INVERSE trigonometric functions work? The input of an INVERSE trig function is a ratio of sides. The output of an INVERSE trig function is an ANGLE.

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sin -1 ( )

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FUNCTION INVERSE FUNCTION

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Choose the OUTPUT… B A C BC AB

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Choose the OUTPUT… B A C CA AB

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Choose the OUTPUT… B A C

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B A C

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