Simplify by finding the sum of rational expressions using even odd identities

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the characteristic of an odd function in trigonometry?
The function is symmetric about the y-axis.
The function is symmetric about the origin.
The function is periodic.
The function is constant.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an even function?
Sine function
Exponential function
Quadratic function
Logarithmic function
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the cosine function behave when its input is negated?
It becomes negative.
It remains the same.
It becomes zero.
It doubles in value.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of simplifying the expression -tan(x) - tan(x)?
-2tan(x)
0
tan(x)
2tan(x)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which identity is used to simplify the expression involving sine and cosine in the tutorial?
Double angle identity
Sum-to-product identity
Pythagorean identity
Even-odd identity
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