What are the keys that are typically not found on a basic calculator for trigonometric functions?
How to evaluate cotangent using a calculator
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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 that calculators often lack a cotangent key, and highlights the reciprocal relationship between cotangent and tangent. It instructs viewers on how to calculate cotangent by using the tangent function, specifically demonstrating with the angle π/8. The tutorial emphasizes the importance of setting the calculator to radians for accurate trigonometric calculations.
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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
What is the approximate value of 1 divided by the tangent of π/8?
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