
Trigonometric Functions and Identities

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned

Emma Peterson
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge in evaluating the sine of two times the arc cosine of negative one-third?
The cosine value is positive.
The angle is in the first quadrant.
The coefficient of two in the inner function.
The angle is in the third quadrant.
Tags
CCSS.HSF-BF.B.4D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of the arc cosine function?
0 to 90 degrees
0 to 270 degrees
0 to 180 degrees
0 to 360 degrees
Tags
CCSS.HSF.TF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which quadrant does the angle terminate if the cosine value is negative?
Second quadrant
First quadrant
Third quadrant
Fourth quadrant
Tags
CCSS.HSF.TF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the adjacent side length in the reference triangle if the cosine of the angle is negative one-third?
Positive one
Positive three
Negative three
Negative one
Tags
CCSS.HSF.TF.C.9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which identity is used to evaluate sine of two theta?
Sum of angles identity
Double angle identity
Pythagorean identity
Half angle identity
Tags
CCSS.HSG.SRT.D.10
CCSS.HSG.SRT.D.11
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What theorem is used to find the missing side of the triangle?
Tangent rule
Cosine rule
Sine rule
Pythagorean theorem
Tags
CCSS.8.EE.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of y, the missing side, in terms of square roots?
3 square root of 2
Square root of 8
2 square root of 2
Square root of 2
Tags
CCSS.HSF.TF.A.2
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