Discuss the importance of recognizing patterns in trigonometric functions as mentioned in the text.
Evaluate a trig function written as a sum or difference expression
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains how to solve a trigonometric problem without a calculator by recognizing patterns and applying the sum and difference formulas. The instructor guides students through the process of identifying the cosine of two angles and simplifying the solution using the order of operations.
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OPEN ENDED QUESTION
3 mins • 1 pt
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What is the value of cosine 45 degrees, and how is it derived in this discussion?
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