Use table for trigonometric function values of some common angles and simplify the resulting expression. cos 30° cos 60º + sin 45° sin 30° cos 30° cos 60° + sin 45° sin 30º = (Simplify your answer. Type an exact answer, using radicals as needed. Type an integer or a fraction.)
Use table for trigonometric function values of some common angles and simplify the resulting expression. cos 30° cos 60º + sin 45° sin 30° cos 30° cos 60° + sin 45° sin 30º = (Simplify your answer. Type an exact answer, using radicals as needed. Type an integer or a fraction.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 69E
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