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Questions and Answers
What is the trigonometric function used to find the length of a side in a right triangle?
What is the trigonometric function used to find the length of a side in a right triangle?
- Cosine (cos) (correct)
- Sine (sin)
- Cosecant (csc)
- Tangent (tan)
In trigonometry, what is the reciprocal of the secant function?
In trigonometry, what is the reciprocal of the secant function?
- Secant (sec) (correct)
- Cosecant (csc)
- Cotangent (cot)
- Sine (sin)
Which trigonometric identity is equivalent to $\tan(x) = \frac{\sin(x)}{\cos(x)}$?
Which trigonometric identity is equivalent to $\tan(x) = \frac{\sin(x)}{\cos(x)}$?
- $\tan(x) = \sqrt{1 - \cos^2(x)}$
- $\tan(x) = \frac{1}{\sin(x)}$
- $\tan(x) = \sin(x) + \cos(x)$ (correct)
- $\tan(x) = \sqrt{\sin^2(x) - \cos^2(x)}$
