What is the definition of sine in a right triangle?
Sin, Cos, Tan

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Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Sine (sin) is the ratio of the length of the opposite side to the length of the hypotenuse.
2.
FLASHCARD QUESTION
Front
What is the definition of cosine in a right triangle?
Back
Cosine (cos) is the ratio of the length of the adjacent side to the length of the hypotenuse.
3.
FLASHCARD QUESTION
Front
What is the definition of tangent in a right triangle?
Back
Tangent (tan) is the ratio of the length of the opposite side to the length of the adjacent side.
4.
FLASHCARD QUESTION
Front
What is the mnemonic to remember the definitions of sine, cosine, and tangent?
Back
SOHCAHTOA: Sine = Opposite/Hypotenuse, Cosine = Adjacent/Hypotenuse, Tangent = Opposite/Adjacent.
5.
FLASHCARD QUESTION
Front
If sin 30 = x/10, what is the value of x?
Back
x = 10 * sin 30 = 5.
6.
FLASHCARD QUESTION
Front
If cos 60 = y/15, what is the value of y?
Back
y = 15 * cos 60 = 7.5.
7.
FLASHCARD QUESTION
Front
If tan 45 = z/20, what is the value of z?
Back
z = 20 * tan 45 = 20.
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