What is the significance of the reference angle in trigonometry?
When given a point, how to find the triangle to evaluate for the 6 trig functions
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Mathematics
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11th Grade - University
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Hard
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The video tutorial discusses evaluating trigonometric functions without a triangle by using reference angles. It explains the concept of reference angles, how to create right triangles from them, and how to evaluate trigonometric functions using these triangles. The tutorial also covers the calculation of sine, cosine, and tangent, and their reciprocals, using given points and reference angles.
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5 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
Describe the relationship between sine of an angle and sine of its reference angle.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how to create a right triangle using a reference angle.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the steps to find the hypotenuse of a right triangle given its sides?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you evaluate the six trigonometric functions using a right triangle?
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