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Trigonometry Basics
Trigonometry Basics
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Questions
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Answers
1
45 degrees = π/4
radians
False
True
2
What is asin()
arc sine
bended sine
inverted sine
reverse sine
3
Tan = y/x, Sin = y, Cos = ?
y
w
z
x
4
Which answer is not a trig function?
Col()
Cot()
Sec()
Sin()
5
The ratio between any angles sine and its opposite side will be equal for every angle of a triangle.
false
true
false
true
6
c^2 = a^2 + b^2 - 2ab * cos(Θ)
false
true
7
Why is 360 degrees 1 full rotation?
Because of Babylonians liking trinagles.
Calenders have 360 + 5 days
There are many theories but nobody knows.
Pythagoras found a theorem for 360 rotation.
8
1 radian = 3π/2 degrees
true
false
9
3π/5 radians, Quadrant 2
True
False
10
Elevation is?
The angle of the direction you point at something relative to the ground.
The angle of the direction you point at something relative to the sky.
The angle you face relative to the sun.
The angle of which the Sin(45) = 2.65x times 3^2 when atan(x) =3 and Sin(4)
11
3 radians, Quadrant 2
False
True
12
In what special triangle is the hypotenuse twice as long as the shortest leg?
45-45-90
13-12-11
20-15-75
30-60-90
13
x and what are complimentary?
90 - x
z
Sin(Cos(Tan(Cot(Sec(Tan(1))))))
Sin(x - 3)
14
Depression is?
Sadness...
The angle of the direction you point at something relative to the ground.
The angle of the distance of the sine of the trig of the function of x.
The angle of the direction you point at something relative to the sky.
15
3π/2 radians, Quadrant 4
False
True
16
sin^2(Θ) + cos^2(Θ) = ___
1
2.408812395370...
5.1234798231463596853478925610564591867293792658723692374623984623894612394
4
17
What is trigonometry?
The study of earth.
The study of shapes.
The study of triangles.
The study of life.
18
Sin(π)
-1
0
1
3.108412
19
2π/7 radians, Quadrant 1
True
False
20
In what special triangle is the hypotenuse the square root of 2 times either leg?
20-15-75
13-12-11
30-60-90
45-45-90
21
Cosine and sine intersect __ times.
∞
∑⨌⨍(12) * Set1 ∩ Set2 ∸ ⫪ * ∰∜1
5
5
22
3 radians, Quadrant 2
True
False
23
Cosecant is the reciprocal of cosine.
True
False
24
1 radian = 180/π degrees
true
false
25
π/2 radians = 90 degrees
False
True
26
Sin(90°) = 1
False
True
27
Sine and Cosine are complimentary (Co-functions)
False
True
28
SOH CAH TOA means what?
Use Tangent to find angles
Sine = opposite/hypotonuse Cosine = adjacent/hypotenuse
Live life happy
Sine = opposite/adjacent Cosine = adjacent/hypotenuse Tangent = opposite
29
Sin
-1
(0.28) = ___
1/0.28
5
0.28
1