Evaluate inverse cosine in a composition by creating a right triangle
Interactive Video
•
Mathematics
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video tutorial explains how to evaluate the sine of the cosine inverse of 1/3 by constructing a triangle. It guides through creating a triangle to find an unknown angle, Theta, and then uses the Pythagorean theorem to calculate the sine of this angle. The tutorial concludes with a final example and mentions a quiz for further practice.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the value of y when you solve the equation 3^2 + 1^2 = y^2?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the significance of the angle being equal to sqrt(2)/2 in trigonometric functions?
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OFF
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