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Trigonometry Identities - Product to Sum Identity True/False (Radians)

Level 1

The topics in this unit focus on mastering the basic trigonometric identities. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

PracticeWorksheetView

Trigonometry Identities - Product to Sum Identity True/False (Radians)

Is this product to sum identity correct?

sin(Ï€6)sin(5Ï€3)=12[cos(Ï€6+5Ï€3)+sin(Ï€6+5Ï€3)]\text{sin}{(\frac{\pi}{6})}\text{sin}{(\frac{5\pi}{3})} = \frac{1}{2} \left[ \text{cos}(\frac{\pi}{6} + \frac{5\pi}{3}) + \text{sin}(\frac{\pi}{6} + \frac{5\pi}{3}) \right]

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