how to verify a trigonometric identity with sum formula of two angles

how to verify a trigonometric identity with sum formula of two angles

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial guides students through simplifying a mathematical expression by choosing the appropriate side to simplify first. It involves applying a formula using cosine and sine, with a focus on understanding the unit circle and evaluating trigonometric values. The tutorial concludes with verifying the results, emphasizing the beauty of the mathematical process.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What coordinates correspond to the point on the unit circle at π?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when you multiply zero by any number?

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