Basic Trig Ratios

Flashcard
•
Mathematics
•
7th - 10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of a right triangle?
Back
A right triangle is a triangle that has one angle measuring 90 degrees.
2.
FLASHCARD QUESTION
Front
What are the three sides of a right triangle called?
Back
The three sides are called the opposite side, adjacent side, and hypotenuse.
3.
FLASHCARD QUESTION
Front
What is the hypotenuse in a right triangle?
Back
The hypotenuse is the longest side of a right triangle, opposite the right angle.
4.
FLASHCARD QUESTION
Front
What is the formula for the sine ratio?
Back
Sine (sin) = Opposite / Hypotenuse.
5.
FLASHCARD QUESTION
Front
What is the formula for the cosine ratio?
Back
Cosine (cos) = Adjacent / Hypotenuse.
6.
FLASHCARD QUESTION
Front
What is the formula for the tangent ratio?
Back
Tangent (tan) = Opposite / Adjacent.
7.
FLASHCARD QUESTION
Front
If the opposite side is 3 and the hypotenuse is 5, what is the sine ratio?
Back
Sine = 3/5.
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