Trigonometric Functions and Identities
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of Chapter 7 in the video?
Linear Equations
Algebraic Functions
Trigonometric Identities and Equations
Calculus Derivatives
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an equivalent expression for y = -sin(θ)?
y = -sin(θ + 2π)
y = sin(θ - π)
y = sin(θ)
y = sin(θ + π)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you express a cosine function that starts from the peak and is shifted left by π/2?
y = -cos(θ - π/2)
y = -cos(θ + π/2)
y = cos(θ - π/2)
y = cos(θ + π/2)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which quadrant are all trigonometric functions positive?
Quadrant 3
Quadrant 2
Quadrant 4
Quadrant 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sine of (π - θ) in the second quadrant?
cos(θ)
-sin(θ)
-cos(θ)
sin(θ)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the third quadrant, what is the cosine of (π + θ)?
-sin(θ)
cos(θ)
-cos(θ)
sin(θ)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sine of (2π - θ) in the fourth quadrant?
-cos(θ)
cos(θ)
-sin(θ)
sin(θ)
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