Find the torsion of the space curve.r(t) = (t - 10)i + (ln(cos t) - 6)j + 6k, -?/2 < t < ?/2
A. ? = -1
B. Undefined
C. ? = 1
D. ? = 0
Answer: D
Mathematics
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Find the zeros of the function in the interval [-2?, 2?].f(x) = - 
sin 
A. 0, ±
, ±?
B. 0, ±?, ±2?
C. 0, ±2?
D. ±
, ±
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Using transformations, sketch the graph of the requested function.The graph of a function f is illustrated. Use the graph of f as the first step toward graphing the function F(x), where 
A. 
B. 
C. 
D. 
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The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log(x - 2) B. y = log x - 2 C. y = 2 - log x D. y = log(2 - x)
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Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 22.5°
A. - 
B. 
C. 
D. - 
Mathematics