How to evaluate sum of two angles using the sum formula for sine

The video tutorial explains the sine formula for the sum of two angles, using U and V as examples. It covers the unit circle and how to determine coordinates for specific angles, such as π/6 and π/4. The tutorial demonstrates evaluating trigonometric expressions by plugging in angles and calculating the sine and cosine values. It concludes with a discussion on the signs of trigonometric functions and their differences.

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