Solving Trigonometric Equations By Factoring & By Using Double Angle Identities

This trigonometry video tutorial explains how to solve trigonometric equations by factoring and by using double angle formulas and identities. It explains how to factor trigonometric expressions using the difference of perfect squares method and the same techniques used to factor trinomials in algebra.

Trigonometry - Free Formula Sheet:
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Trigonometry Video Lessons:
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