test review - trig unit
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Convert 100° to radians.
Back
5π/9
2.
FLASHCARD QUESTION
Front
Convert \( \frac{7\pi}{18} \) radians to degrees.
Back
70°
3.
FLASHCARD QUESTION
Front
What is the formula to find the period of a sine or cosine graph?
Back
The period is given by \( \frac{2\pi}{B} \).
4.
FLASHCARD QUESTION
Front
Write the equation for a sine function with a reflection over the x-axis, period of \( \pi \), a phase shift of right \( \frac{\pi}{2} \), and a vertical shift of 4.
Back
\( y=-\sin(2x-\pi)+4 \)
5.
FLASHCARD QUESTION
Front
Which equation represents a cosine function reflected over the x-axis?
Back
\( y= -\cos(2x) \)
6.
FLASHCARD QUESTION
Front
What is the relationship between degrees and radians?
Back
180° is equivalent to π radians.
7.
FLASHCARD QUESTION
Front
How do you convert radians to degrees?
Back
Multiply the radian measure by \( \frac{180}{\pi} \).
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