What is the significance of the unit circle in trigonometry?
How to evaluate the six trig functions when given a point
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Mathematics
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11th Grade - University
•
Hard
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The video tutorial explains the concept of the unit circle and its significance in trigonometry. It guides students through determining if a point lies on the unit circle and the steps to create a triangle from a point not on the circle. The tutorial covers finding the hypotenuse using the Pythagorean theorem and calculating trigonometric functions such as sine, cosine, and tangent. It also explains how to find reciprocal trigonometric functions like cosecant, secant, and cotangent.
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7 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
How do you determine if a point is on the unit circle?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain the process of creating a triangle from a point not on the unit circle.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the Pythagorean theorem and how is it applied in finding the hypotenuse?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe how to find the sine, cosine, and tangent of an angle given a triangle.
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you simplify the trigonometric values obtained from a triangle?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the reciprocal functions of sine, cosine, and tangent?
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