Trigonometry
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is the definition of Trigonometry?
Back
Trigonometry is a branch of mathematics that studies the relationships between the angles and sides of triangles, particularly right triangles.
Tags
CCSS.HSG.SRT.C.7
2.
FLASHCARD QUESTION
Front
What is the Pythagorean Theorem?
Back
The Pythagorean Theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): c² = a² + b².
Tags
CCSS.8.G.B.8
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 are the three primary trigonometric ratios?
Back
The three primary trigonometric ratios are Sine (sin), Cosine (cos), and Tangent (tan).
Tags
CCSS.HSG.SRT.C.6
5.
FLASHCARD QUESTION
Front
What does SOH-CAH-TOA stand for?
Back
SOH-CAH-TOA is a mnemonic to remember the definitions of the sine, cosine, and tangent ratios: SOH = Sine = Opposite/Hypotenuse, CAH = Cosine = Adjacent/Hypotenuse, TOA = Tangent = Opposite/Adjacent.
Tags
CCSS.HSG.SRT.C.6
6.
FLASHCARD QUESTION
Front
How do you find the sine of an angle in a right triangle?
Back
To find the sine of an angle, divide the length of the side opposite the angle by the length of the hypotenuse.
Tags
CCSS.HSG.SRT.C.6
7.
FLASHCARD QUESTION
Front
How do you find the cosine of an angle in a right triangle?
Back
To find the cosine of an angle, divide the length of the side adjacent to the angle by the length of the hypotenuse.
Tags
CCSS.HSG.SRT.C.6
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