Solving a trig function with sine and cosine

Solving a trig function with sine and cosine

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to solve a trigonometric equation involving sine and cosine on the interval of 0 to 2π. The instructor demonstrates the use of Pythagorean identities to combine different trigonometric functions into a single function, allowing for the equation to be solved. The process includes transforming cosine into sine, combining like terms, and using the unit circle to find all possible solutions for the equation. The tutorial also includes a brief classroom interruption.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the values of X that equal ± sqrt 3 / 2?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps are taken to find the angles corresponding to the sine values mentioned?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

List the four separate solutions for X on the interval of 0 and 2π.

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