This is the acute angle between the terminal side and the x-axis. It is always positive. It is indicated by the symbol theta “θ”.
The Six Trigonometric Ratios

Quiz
•
Mathematics
•
9th Grade
•
Medium
MAYA BACALLA
Used 24+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reference Angle
Opposite Side
Adjacent Side
Hypotenuse
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The side next to the reference angle in a right triangle.
Reference Angle
Opposite Side
Adjacent Side
Hypotenuse
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
△GHJ is a right triangle. Identify its hypotenuse.
g
h
j
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
△GHJ is a right triangle. Identify its reference angle.
∠G
∠J
∠H
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
△GHJ is a right triangle. Identify its adjacent side.
g
h
j
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
△GHJ is a right triangle. Identify its opposite side.
g
h
j
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
This is the mnemonic used for remembering equations in six trigonometric ratios.
SAH-COA-TOH
SOH-CAH-TOA
SOA-COH-TAH
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