The period of a sum of Trig functions is the least-common-multiple of the individual periods. Find the period of 4 sin(3θ) cos(7θ)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 62E
Question

The period of a sum of Trig functions is the least-common-multiple of the individual periods. Find the period of 4 sin(3θ) cos(7θ)

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