What are the three primary trigonometric ratios?
Trig Ratios

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Sine (sin), Cosine (cos), Tangent (tan)
2.
FLASHCARD QUESTION
Front
Define Sine (sin) in a right triangle.
Back
Sine is the ratio of the length of the opposite side to the length of the hypotenuse.
3.
FLASHCARD QUESTION
Front
Define Cosine (cos) in a right triangle.
Back
Cosine is the ratio of the length of the adjacent side to the length of the hypotenuse.
4.
FLASHCARD QUESTION
Front
Define Tangent (tan) in a right triangle.
Back
Tangent is the ratio of the length of the opposite side to the length of the adjacent side.
5.
FLASHCARD QUESTION
Front
What is the Pythagorean theorem?
Back
In a right triangle, a² + b² = c², where c is the hypotenuse.
6.
FLASHCARD QUESTION
Front
How do you find the sine of an angle?
Back
sin(θ) = opposite/hypotenuse.
7.
FLASHCARD QUESTION
Front
How do you find the cosine of an angle?
Back
cos(θ) = adjacent/hypotenuse.
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