2. Application of Double-angle Formula (a) sec 8= 12, QIV, find sin 20, cos 20 and tan 20 (b) Evaluate sin 20, cos 20 and tan 20, 0 = cos (c) Simplify sin (2 tan-¹0) -1 5 -1
2. Application of Double-angle Formula (a) sec 8= 12, QIV, find sin 20, cos 20 and tan 20 (b) Evaluate sin 20, cos 20 and tan 20, 0 = cos (c) Simplify sin (2 tan-¹0) -1 5 -1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 78E
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