Lesson: Evaluating Trigonometric Function Values with Angles 30, 45, and 60 Mathematics • Third Year of Preparatory School

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In this lesson, we will learn how to find the trigonometric function values for 30-, 45-, and 60-degree angles.

Students will be able to

evaluate cosine, sine, and tangent at 30, 45, and 60 degrees without using a calculator,
evaluate combinations of trigonometric functions at 30, 45, and 60 degrees,
use the inverse trigonometric functions, where the answer is 30, 45, or 60 degrees.

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