Trigonometry Review for High School
Authored by Justin Zhang
Mathematics
9th - 12th Grade
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Sin ratio?
Opposite/Hypotenuse
Hypotenuse/Opposite
Adjacent/Hypotenuse
Adjacent/Opposite
Answer explanation
The sine ratio is defined as the ratio of the length of the side opposite the angle to the length of the hypotenuse in a right triangle. Therefore, the correct choice is Opposite/Hypotenuse.
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Cosine ratio?
Adjacent/Hypotenuse
Opposite/Hypotenuse
Hypotenuse/Adjacent
Hypotenuse/Opposite
Answer explanation
The cosine ratio is defined as the ratio of the length of the adjacent side to the length of the hypotenuse in a right triangle. Therefore, the correct choice is 'Adjacent/Hypotenuse'.
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Tangent ratio?
Hypotenuse/Opposite
Opposite/Adjacent
Adjacent/Opposite
Hypotenuse/Adjacent
Answer explanation
The tangent ratio is defined as the ratio of the length of the opposite side to the length of the adjacent side in a right triangle. Therefore, the correct choice is Opposite/Adjacent.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cotangent ratio?
Adjacent/Opposite
Opposite/Adjacent
Hypotenuse/Adjacent
Hypotenuse/Opposite
Answer explanation
The cotangent ratio is defined as the ratio of the length of the adjacent side to the length of the opposite side in a right triangle. Therefore, the correct choice is Adjacent/Opposite.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for P (Round to Nearest Tenth)
25.6
24.5
23.4
34.2
Answer explanation
To solve for P, we find that the calculations lead to a value of 25.6 when rounded to the nearest tenth. This matches the correct answer choice.
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
What is the value of sin(90°)?
0
1
0.5
Undefined
Answer explanation
The value of sin(90°) is 1 because at 90 degrees, the sine function reaches its maximum value. Therefore, the correct answer is 1.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of cos(0°)?
Undefined
0
1
0.5
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