Evaluating for cosine using even and odd functions

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Mathematics
•
11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the initial part of the video?
Explaining the Pythagorean theorem
Solving a quadratic equation
Introducing even and odd functions
Discussing the properties of sine functions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of cosine of negative T if cosine of T is -3/4?
-3/4
3/4
0
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the cosine of negative T equal the cosine of T?
Because cosine is an odd function
Because cosine is an even function
Because cosine is a linear function
Because cosine is a periodic function
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the video conclude about the cosine of T and negative T?
They are always different
They are always the same
They depend on the value of T
They are equal only if T is positive
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about even functions?
Their values change sign when the input is negated
Their values remain the same when the input is negated
They are always positive
They are always negative
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