How do you evaluate the cosine function for two angles U and V?
Pre-Calculus - Using the difference of two angles to evaluate the an angle for cosine, cos195
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Mathematics
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11th Grade - University
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Hard
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The video tutorial covers the evaluation of trigonometric functions using coordinate points and angles on the unit circle. It explains the subtraction of angles and the calculation of cosine and sine values for specific angles. The instructor emphasizes the importance of paying attention to avoid common mistakes, such as mixing up angles. The tutorial concludes with a demonstration of final calculations and factoring techniques.
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the coordinate point for 30 degrees in the unit circle?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how to find the cosine and sine of 225 degrees.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the significance of the negative sign when evaluating cosine and sine for angles in different quadrants?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you combine the results of cosine and sine functions when evaluating angles?
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