Using trig identities to verify an identity

Using trig identities to verify an identity

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains the process of simplifying trigonometric expressions by focusing on the more complicated side first. It covers combining non-like terms using trigonometric identities, finding common denominators for addition, and applying the Pythagorean identity to simplify expressions. The goal is to transform the expression into a simpler form, such as secant, by using these mathematical techniques.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first step suggested for simplifying complicated expressions involving trigonometric functions?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to combine two terms that are not like terms in trigonometric expressions.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What method is suggested to achieve a common denominator when adding fractions with trigonometric functions?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the Pythagorean identity mentioned in the context of cosine and sine.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final expression derived from combining cosine and sine squared in the context of this lesson?

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