How to use the inverse cosine function to determine the missing angle
Interactive Video
•
Mathematics
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video tutorial guides students through solving a trigonometry problem involving finding angle B in a triangle. The teacher explains how to label the sides of the triangle, choose the appropriate trigonometric function, and calculate the angle using the cosine inverse. The tutorial emphasizes the importance of understanding the relationship between the sides and the angle, and concludes with instructions for similar homework problems.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the formula for cosine in relation to angle B?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the result of taking the inverse cosine of 25/30?
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OFF
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