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Trigonometric Trivia
What does the word Trigonometry
mean?
•
•
•
•
A.
B.
C.
D.
The study of algebra
The study of angles
The study of triggerfish
The study of triangles
• The answer is D. Trigonometry means the
study of triangles.
On what does trigonometry
depend?
•
•
•
•
A.
B.
C.
D.
Chords of a circle
Radius of a circle
Properties of similar triangles
Rotation of the sun
• The answer is C. Trigonometry depends
on the properties of similar triangles.
By convention, what Greek letter is
used to label a trigonometric
angle?
•
•
•
•
A.
B.
C.
D.
Gamma
The letter X
Beta
Theta
• The answer is D. The Greek letter
Theta, θ , is used to label unknown angles.
Which of the following is not a
trigonometric function?
•
•
•
•
A.
B.
C.
D.
Sine
Tangent
Secant
Radian
• The answer is D. There are 6 trig
functions, sine, cosine, tangent, cosecant,
secant, and cotangent.
On what does the ratio of the legs
of a right triangle depend?
•
•
•
•
A.
B.
C.
D.
The non-right angles of the triangle
The size of the triangle
The perpendicular bisector
The right angle
• The answer is A. The ratio of the legs of a
right triangle are determined by the size of
the non-right angles in the triangle.
Who is called the founder of
trigonometry?
•
•
•
•
A.
B.
C.
D.
Pythagoras
Hipparchus
Gunter
Menelaus
• The answer is B. Hipparchus is called the
founder of trigonometry.