How to determine the function and angle given an expression

The video tutorial covers evaluating angles using trigonometric formulas, including sine, cosine, and tangent. It explains how to identify and apply sum and difference formulas to solve angle problems. The tutorial emphasizes understanding the structure of these formulas and distinguishing between addition and subtraction in trigonometric contexts. Key points include recognizing formula types and applying them correctly to determine angles.

What is the formula for tangent of the sum of two angles?

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Describe how to evaluate the sine of an angle using the formulas discussed.

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