What is the hypotenuse length of a 45-45-90 triangle if the legs are of length 1?

Exploring Sine and Cosine Function Values

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
sqrt(2)
1.5
1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sine of pi/4?
1/2
sqrt(2)/2
sqrt(3)/2
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What coordinates represent the point for pi/4 on the unit circle?
(-sqrt(2)/2, sqrt(2)/2)
(sqrt(2)/2, sqrt(2)/2)
(0, 1)
(1, 0)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cosine of 3 pi/4?
0
sqrt(2)/2
-sqrt(2)/2
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which coordinate pair represents the cosine and sine of pi/2 on the unit circle?
(-1, 0)
(0, -1)
(1, 0)
(0, 1)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cosine of pi/6 in a 30-60-90 triangle?
sqrt(3)/2
1/2
2
sqrt(2)/2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a 30-60-90 triangle, what is the length across from the 30-degree angle?
2
sqrt(2)
1
sqrt(3)
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