What is the cosine of π/6 and how does it relate to the expression being simplified?
How to evaluate the half angle for sine in radians
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains how to evaluate the sine of π/2 by identifying the angle's location in the first quadrant, where sine is positive. It introduces a formula involving sine and cosine, and demonstrates solving for U. The tutorial simplifies the expression using radicals and reviews algebra concepts, providing insights into common answer formats.
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2 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
Discuss the process of simplifying the expression under the radical as mentioned in the text.
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