Master Writing a single trigonometric expression using sum and difference formulas

The video tutorial explains how to use sum and difference formulas for trigonometric functions like sine, cosine, and tangent. It covers identifying the correct formula based on given expressions and demonstrates how to apply these formulas to angles in both degrees and radians. The tutorial provides step-by-step examples to help learners understand the process of rewriting expressions as single trigonometric functions of an angle.

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