
Understanding Complementary Angles and Trigonometric Functions

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

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the sine of an acute angle and the cosine of its complement?
They are opposites.
They are equal.
They add up to 180 degrees.
They are unrelated.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a right triangle, if the sine of angle A is 3/5, what is the cosine of its complementary angle B?
3/5
4/5
1/5
2/5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you express the sine of 42 degrees in terms of cosine?
cos(48)
cos(42)
cos(38)
cos(90)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the cosine of 36 degrees is expressed in terms of sine, what is the angle used?
54 degrees
36 degrees
90 degrees
18 degrees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of the measures of two complementary angles?
360 degrees
180 degrees
45 degrees
90 degrees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation 2x - 4 = 3x + 9, what is the value of x?
17
9
11
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the sine of 3x + 2 equals the cosine of x + 44, what is the value of x?
44
11
22
33
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