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Trigonometric Equations with Angle Sum, Difference, Multiple, Half-Angle Formulas problems

Trigonometric Equation Double-Angle and Product-To-Sum example

Solve the following Trigonometric Equations using Double-Angle and Product-To-Sum formulas:

sin2θ – sinθ = 0

cosx + cos3x = cos2x

 

Solution to this Trigonometric Equation Double-Angle Product-To-Sum practice problem is provided in the video below!



 


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