trig functions

Flashcard
•
Mathematics
•
9th - 11th Grade
•
Hard
+4
Standards-aligned
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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
Sine (sin) is the ratio of the length of the opposite side to the length of the hypotenuse.
Tags
CCSS.HSG.SRT.C.6
2.
FLASHCARD QUESTION
Front
What is the definition of cosine (cos) in a right triangle?
Back
Cosine (cos) is the ratio of the length of the adjacent side to the length of the hypotenuse.
Tags
CCSS.HSG.SRT.C.6
3.
FLASHCARD QUESTION
Front
What is the definition of tangent (tan) in a right triangle?
Back
Tangent (tan) is the ratio of the length of the opposite side to the length of the adjacent side.
Tags
CCSS.HSG.SRT.C.6
4.
FLASHCARD QUESTION
Front
What does SOH-CAH-TOA stand for?
Back
SOH-CAH-TOA is a mnemonic to remember the definitions of sine, cosine, and tangent: SOH = sin = opposite/hypotenuse, CAH = cos = adjacent/hypotenuse, TOA = tan = opposite/adjacent.
Tags
CCSS.HSG.SRT.C.6
5.
FLASHCARD QUESTION
Front
In which type of triangle can SOH-CAH-TOA be used?
Back
SOH-CAH-TOA can only be used in right triangles.
Tags
CCSS.HSG.SRT.C.6
6.
FLASHCARD QUESTION
Front
If sin(37) = x/14, what is the correct ratio?
Back
cos(37) = x/14.
Tags
CCSS.HSG.SRT.C.7
7.
FLASHCARD QUESTION
Front
How do you find the missing angle in a right triangle if you know two sides?
Back
Use the inverse trigonometric functions (sin⁻¹, cos⁻¹, tan⁻¹) to find the angle.
Tags
CCSS.HSG.SRT.C.8
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