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Evaluate for sine cosine and tangent using reference angles
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Mathematics, Business
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11th Grade - University
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Hard
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The video tutorial explains how to use reference angles to evaluate trigonometric functions for a negative angle, specifically -405 degrees. It covers determining the quadrant of the angle, using coterminal angles to simplify calculations, and calculating the reference angle. The tutorial concludes with evaluating sine, cosine, and tangent using the reference angle, emphasizing the importance of quadrant placement for sign determination.
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