What is the factored form of sin^2(x) + 3sin(x) + 2?
Precalculus Semester 2 Skills Practice

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•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
(sin(x) + 2)(sin(x) + 1)
2.
FLASHCARD QUESTION
Front
What is the factored form of csc^3(x) - csc^2(x) - csc(x) + 1?
Back
cot^2(x)(csc(x) - 1)
3.
FLASHCARD QUESTION
Front
What must be true in order to ADD two matrices?
Back
The dimensions must be equal.
4.
FLASHCARD QUESTION
Front
What are the constraint and optimization equations for a closed rectangular box with square base made from 120 square inches of cardboard?
Back
2x^2 + 4xy = 120 and V = x^2y
5.
FLASHCARD QUESTION
Front
Which matrix is correct?
Back
Matrix B
6.
FLASHCARD QUESTION
Front
Define the sine function in terms of a right triangle.
Back
In a right triangle, sin(θ) = opposite side / hypotenuse.
7.
FLASHCARD QUESTION
Front
What is the Pythagorean identity involving sine and cosine?
Back
sin^2(x) + cos^2(x) = 1.
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