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Study Guide for Assignment - Trigonometry | MATH 1060, Assignments of Trigonometry

Material Type: Assignment; Class: Trigonometry; Subject: Mathematics; University: Utah State University; Term: Unknown 1989;

Typology: Assignments

Pre 2010

Uploaded on 07/30/2009

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Download Study Guide for Assignment - Trigonometry | MATH 1060 and more Assignments Trigonometry in PDF only on Docsity! Evaluating Trigonometric Functions Given an angle, θ, in standard position, where θ > 90◦ or θ < 0◦, the referece angle, θ′, is the acute angle formed by the terminal side of θ and the horizontal axis. Use the following to find the reference angle, θ′: • If θ lies in quadrant II: · θ′ = π − θ · θ′ = 180◦ − θ • If θ lies in quadrant III: · θ′ = θ − π · θ′ = θ − 180◦ • If θ lies in quadrant IV: · θ′ = 2π − θ · θ′ = 360◦ − θ The following is a table of trigonometric values of common angles which will be useful. θ(degrees) 0◦ 30◦ 45◦ 60◦ 90◦ 180◦ 270◦ θ(radians) 0 π 6 π 4 π 3 π 2 π 3π 2 sin θ 0 1 2 √ 2 2 √ 3 2 1 0 −1 cos θ 1 √ 3 2 √ 2 2 1 2 0 −1 0 tan θ 0 √ 3 3 1 √ 3 Undef. 0 Undef. Problem 2.
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