What is the sine function in relation to a right triangle?
Ch 5.2 Practice Flashcard

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Mathematics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The sine function (sin) is defined as the ratio of the length of the opposite side to the length of the hypotenuse.
2.
FLASHCARD QUESTION
Front
What is the cosine function in relation to a right triangle?
Back
The cosine function (cos) is defined as the ratio of the length of the adjacent side to the length of the hypotenuse.
3.
FLASHCARD QUESTION
Front
How do you find the length of a side in a right triangle using sine?
Back
To find the length of a side using sine, use the formula: sin(θ) = opposite/hypotenuse, where θ is the angle.
4.
FLASHCARD QUESTION
Front
How do you find the length of a side in a right triangle using cosine?
Back
To find the length of a side using cosine, use the formula: cos(θ) = adjacent/hypotenuse, where θ is the angle.
5.
FLASHCARD QUESTION
Front
What is the relationship between the angles and sides in a right triangle?
Back
In a right triangle, the sum of the angles is always 180 degrees, and the side lengths are proportional to the sine and cosine of the angles.
6.
FLASHCARD QUESTION
Front
What is the formula to find the hypotenuse in a right triangle?
Back
The hypotenuse can be found using the Pythagorean theorem: c² = a² + b², where c is the hypotenuse and a and b are the other two sides.
7.
FLASHCARD QUESTION
Front
How do you convert an angle from degrees to radians?
Back
To convert degrees to radians, multiply the degree measure by π/180.
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