Lesson: Solving Trigonometric Equations with the Double-Angle Identity Glencoe • Precalculus • Common Core

Mathematics

In this lesson, we will learn how to solve trigonometric equations using the double-angle identity.

Sample Question Videos

Q1:

If , find the solution set of .

Q2:

Find in degrees given where is a positive acute angle.

Q3:

Find the general solution to the equation .

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