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Questions and Answers
What is the correct way to represent, manipulate, and evaluate trigonometric expressions in terms of sides of a right triangle?
What is the correct way to represent, manipulate, and evaluate trigonometric expressions in terms of sides of a right triangle?
- Using coordinates of a unit circle (correct)
- Using vectors
- Using degrees
- Using radians
When graphing trigonometric functions, what does 'amplitude' refer to?
When graphing trigonometric functions, what does 'amplitude' refer to?
- The number of cycles of the function
- The horizontal shift of the function
- The phase shift of the function
- The vertical stretch or compression of the function (correct)
In solving trigonometric equations, which property is used to determine periodic solutions?
In solving trigonometric equations, which property is used to determine periodic solutions?
- Double-angle formula
- Pythagorean identity
- Addition formula
- Periodicity (correct)
How are vectors typically defined and operated with?
How are vectors typically defined and operated with?
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When applying the law of sines and the law of cosines, what are they typically used to determine?
When applying the law of sines and the law of cosines, what are they typically used to determine?
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How are variables, trigonometric functions, and vectors typically used in mathematical modeling?
How are variables, trigonometric functions, and vectors typically used in mathematical modeling?
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