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TRIGONOMETRIC RATIOS AND SPECIAL ANGLES Flashcards | StudBud
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TRIGONOMETRIC RATIOS AND SPECIAL ANGLES
TRIGONOMETRIC RATIOS AND SPECIAL ANGLES
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1
What is the conversion of \frac{16\pi}{9} into degrees
320\degree
720\degree
415\degree
470\degree
2
What is the conversion of 225\degree into radians
\frac{4\pi}{5}
\pi
\frac{4\pi}{3}
\frac{5\pi}{4}
3
Based on the triangle, what is the ratio of \sinβ
\frac{\sqrt{37}}{8}s
\frac{\sqrt{27}}{8}
\frac{\sqrt{29}}{8}
\frac{\sqrt{39}}{8}
4
The angle is in the standard position if its initial side coincides with what axis?
positive x-axis
negative x-axis
positive y-axis
negative y-axis
5
The angle is in the standard position, and the terminal sides lie on one of the axes
negative angles
quadrantal angles
coterminal angles
positive angles
6
The trigonometry comes from two Greek words. What are these terms?
Triangle and sides
Triginon and metri
Trigonon and Measures
Trigonon and Metron
7
Angles in the standard position with the same terminal sides
negative angle
positive angles
coterminal angles
quadrantal angles
8
What is the ordered pair of the center of the unit circle?
(1, 0)
(0, 0)
(1, 1)
(0, 1)
9
What are the primary trigonometric functions?
secant, sine, tangent
cosine, cosecant, cotangent
cosecant, secant, cotangent
sine, cosine, tangent
