What is the value of sine for angle U?
Pre-Calculus - Evaluating the Double Angle for Cosine Using a Triangle
Interactive Video
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Mathematics
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11th Grade - University
•
Hard
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The video tutorial explains how to solve a trigonometry problem involving the sine of an angle and its constraints. It guides students through identifying the correct quadrant for a triangle, drawing the triangle, and using Pythagorean triples. The tutorial then introduces double angle formulas and demonstrates how to apply them to find the double angle using cosine and sine values.
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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 are the constraints for angle U?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
In which quadrant is the triangle located based on the given constraints?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you find the double angles using the formulas provided?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the cosine value calculated from the triangle?
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