What Greek letter is often used to represent an acute angle of a right triangle?
Right Triangle Sine Cosine

Quiz
•
Mathematics
•
10th Grade
•
Hard
Barbara White
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Delta
Alpha
Theta
Beta
Answer explanation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which trigonometric function is the opposite over the hypotenuse?
Tangent
Sine
Cosine
Secant
Answer explanation
Sine is written as sin(x).
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which trigonometric function is the adjacent over the hypotenuse?
Tangent
Sine
Cosine
Secant
Answer explanation
Cosine is written as cos(x).
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which trigonometric functions is the opposite over the adjacent?
Tangent
Sine
Cosine
Secant
Answer explanation
Tangent is written as tan(x).
5.
MATCH QUESTION
1 min • 1 pt
Match each trigonometric function to their reciprocal.
Cosecant
Sine
Secant
Cosine
Cotangent
Tangent
Answer explanation
Cosecant is written as csc(x), secant is written as sec(x), and cotangent is written as cot(x).
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Write the memory device that is used to remember the three trigonometric functions. (Use only capital letters, with hyphens in between each set, like ABC-DEF-GHI.)
Answer explanation
SOH-CAH-TOA stands for sine-opposite-hypotenuse, cosine-adjacent-hypotenuse, tangent-opposite-adjacent.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which side is the hypotenuse?
AB
BC
CA
Answer explanation
The hypotenuse is the side directly across from the right angle.
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