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Angles and the Six Trigonometry Ratios/Functions Flashcards | StudBud
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Angles and the Six Trigonometry Ratios/Functions
tan (π) equals __________
Which angle is equivalent to π/2 radians?
Angles and the Six Trigonometry Ratios/Functions
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1
Which angle is equivalent to π/2 radians?
45
210
180
90
2
tan (π) equals __________
undefined
0
infinity
1
3
What is 7π/6 radians measured in degrees?
90
210
150
330
4
If sin of an angle = 3/5, cos of that angle = ? (hint, use right triangle trigonometry)
3/5
4/5
5/4
5/3
5
What is 270 degrees in radian measure?
3π/4
π
3π/2
3π
6
cos of 60 degrees is ___________
1
1/2
-1
-1/2
7
If sin of an angle = 5/13, tangent of that angle =?
13/5
12/13
12/5
5/12
8
positive angles go ________ and negative angles go ___________.
clockwise, clockwise
counterclockwise, clockwise
counterclockwise, counterclockwise
clockwise, counterclockwise
9
The sin of an angle on the unit circle is equal to
The x coordinate
Whether it's positive or negative
The adjacent over hypotenuse
The y coordinate
10
sin of 90 degrees is ____________
0
-0
-1
1
11
Which angle is coterminal to 350 degrees?
10
760
-10
710
12
When converting from radians to degrees, multiply by:
360/2π
π/180
2π/360
180/π
13
The last one: the pythagorean theorem only applies to ____________
right triangles
isosceles triangles
squares
scalene triangles
14
sin of 240 is ____________
-3/2
-(√2)/2
-(√3)/2
-1
15
Which angle is coterminal with π/4?
-330
315
-315
330
16
if sin of an angle = 1/6, csc of that angle =?
.0167
2/6
6
4
17
cos of 120 degrees is
1/2
-1
-1/2
1
18
sec of 240 is
2
-1/2
-2
1/2
19
sec θ = 22/7. This means cos θ =?
7/22
22/27
11/22
22/11
20
cot (2π) is equal to __________
undefined
not enough information
0
infinity
21
Which angle is coterminal to π/2?
3π/2
2π
5π/2
π/4
22
What does it mean for angles to be coterminal?
same units
same protractor
same starting point
same ending point
23
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