Evaluating Trigonometric Functions
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary method used in this tutorial to evaluate trigonometric expressions?
Using a calculator
Using a unit circle
Using trigonometric identities
Using reference triangles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which special triangles are essential for this tutorial?
30-45-60 and 60-90-120
30-60-90 and 45-45-90
30-30-120 and 60-60-60
45-45-45 and 90-90-90
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the reference angle for 120 degrees determined?
By subtracting 90 degrees
By adding 90 degrees
By adding 30 degrees
By subtracting 30 degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sine of 120 degrees?
Square root of 2 over 2
Negative 1/2
Square root of 3 over 2
1/2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cosine of 120 degrees?
1/2
Negative 1/2
Square root of 3 over 2
Negative square root of 3 over 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the tangent of 120 degrees?
Square root of 3
Negative 1
Negative square root of 3
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the direction of rotation for negative angles?
Upwards
Counter-clockwise
Downwards
Clockwise
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