Finding the composition of inverses when not in the range
Interactive Video
•
Mathematics, Information Technology (IT), Architecture
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video tutorial explains how to find the cosine of 7π/2 by using the unit circle and identifying the x-coordinate. It then discusses finding the inverse cosine of 0 and highlights the importance of considering the range of the cosine function. The tutorial concludes by identifying the correct angle within the range where cosine equals zero.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Can you identify another angle between 0 and π that has a cosine value of zero?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final answer for the inverse cosine of 0?
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OFF
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