
Understanding Trigonometry with Special Triangles

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
+2
Standards-aligned

Olivia Brooks
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 reason the video suggests not memorizing the unit circle?
It is a waste of time compared to using special triangles.
It is too complex to understand.
It is not used in advanced mathematics.
It is only applicable to certain problems.
Tags
CCSS.8.G.B.8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the side lengths of a 45-45-90 triangle?
1, 1, 2
1, 1, square root of 2
1, 2, square root of 3
2, 2, square root of 3
Tags
CCSS.HSG.SRT.C.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which triangle is used to find the cosine of 150 degrees?
Equilateral triangle
30-60-90 triangle
Isosceles triangle
45-45-90 triangle
Tags
CCSS.HSG.SRT.C.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the reference angle for 150 degrees?
Subtract 30 degrees from 180 degrees
Add 30 degrees to 120 degrees
Add 60 degrees to 90 degrees
Subtract 60 degrees from 180 degrees
Tags
CCSS.HSF.TF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the tangent of negative 135 degrees?
-1
1
0
Undefined
Tags
CCSS.HSG.SRT.C.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which triangle is used to find the tangent of negative 135 degrees?
Equilateral triangle
Scalene triangle
45-45-90 triangle
30-60-90 triangle
Tags
CCSS.HSG.CO.C.10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between angles and sides in a triangle?
A small angle opens to a small side
A large angle opens to a small side
Angles and sides are unrelated
A small angle opens to a large side
Tags
CCSS.HSG.SRT.C.8
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