1A Finding Side Lengths using Trig Practice

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What does SOH CAH TOA stand for in trigonometry?
Back
SOH: Sine = Opposite/Hypotenuse, CAH: Cosine = Adjacent/Hypotenuse, TOA: Tangent = Opposite/Adjacent.
Tags
CCSS.HSG.SRT.C.8
2.
FLASHCARD QUESTION
Front
How do you find the length of a side in a right triangle using trigonometry?
Back
Use the appropriate trigonometric function (sine, cosine, or tangent) based on the known angles and sides.
Tags
CCSS.HSG.SRT.C.8
3.
FLASHCARD QUESTION
Front
What is the sine function?
Back
The sine function relates the angle of a right triangle to the ratio of the length of the opposite side to the hypotenuse.
4.
FLASHCARD QUESTION
Front
What is the cosine function?
Back
The cosine function relates the angle of a right triangle to the ratio of the length of the adjacent side to the hypotenuse.
Tags
CCSS.HSG.SRT.C.6
5.
FLASHCARD QUESTION
Front
What is the tangent function?
Back
The tangent function relates the angle of a right triangle to the ratio of the length of the opposite side to the adjacent side.
Tags
CCSS.HSG.SRT.C.6
6.
FLASHCARD QUESTION
Front
If the angle is 30 degrees and the hypotenuse is 10, what is the length of the opposite side?
Back
Using sine: Opposite = Hypotenuse * sin(30) = 10 * 0.5 = 5.
Tags
CCSS.HSG.SRT.C.8
7.
FLASHCARD QUESTION
Front
If the angle is 60 degrees and the adjacent side is 5, what is the length of the hypotenuse?
Back
Using cosine: Hypotenuse = Adjacent / cos(60) = 5 / 0.5 = 10.
Tags
CCSS.HSG.SRT.C.8
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