Trigonometric Ratios
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of sine (sin) in a right triangle?
Back
sin(θ) = Opposite side / Hypotenuse.
2.
FLASHCARD QUESTION
Front
What is the definition of cosine (cos) in a right triangle?
Back
cos(θ) = Adjacent side / Hypotenuse.
3.
FLASHCARD QUESTION
Front
What is the definition of tangent (tan) in a right triangle?
Back
tan(θ) = Opposite side / Adjacent side.
4.
FLASHCARD QUESTION
Front
In a right triangle, which side is opposite to the right angle?
Back
The hypotenuse.
5.
FLASHCARD QUESTION
Front
What is the relationship between sine and cosine for complementary angles?
Back
sin(θ) = cos(90° - θ).
6.
FLASHCARD QUESTION
Front
If sin(θ) = 3/5, what is cos(θ)?
Back
cos(θ) = 4/5, using the Pythagorean identity.
7.
FLASHCARD QUESTION
Front
What is the formula to find the missing angle in a right triangle using sine?
Back
θ = sin^(-1)(Opposite side / Hypotenuse).
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