LydsInverseTrig - Inverse Trig Functions Learning Goals 1 Understand Domain/Range requirements for inverse trig functions 1 Be able to calculate

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Unformatted text preview: Inverse Trig Functions Learning Goals: 1. Understand Domain/Range requirements for inverse trig functions 1. Be able to calculate exact values for inverse trig functions. 1. Understand the composition of inverse trig functions 1. Be able to calculate compositions with inverse trig functions. Find Exact Values • Get out that plate! • What is the angle whose sine is ½ ? • Arcsin( ½ ) = θ or sin-1 ( ½ ) = θ • What is the angle whose cosine is ½ ? • Arccos( ½ ) = θ or cos-1 ( ½ ) = θ • Are there other angles whose sine is ½ ? • Are there other angles whose cosine is ½? x y (0, 1) 90° 2 π (–1, 0) π 180° (0, –1) 270° 3 2 π 360° 2 π (1, 0) 0° Unit Circle Angles and Coordinates 60° 3 π 3 1 , 2 2 45° 4 π 2 2 , 2 2 30° 6 π 3 1 , 2 2 330° 11 6 π 3 1 , 2 2 - 315° 7 4 π 2 2 , 2...
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This note was uploaded on 01/12/2011 for the course MAT117 MAT 117 taught by Professor Ranjitrebello during the Spring '09 term at University of Phoenix.

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LydsInverseTrig - Inverse Trig Functions Learning Goals 1 Understand Domain/Range requirements for inverse trig functions 1 Be able to calculate

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