Find parametric equations for the tangent line to the curve with parametric equations x=3t, y=5t², z=4t³ at the point with t=1.
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Mathematics
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Use a half-angle identity to find an exact value for the following, given the information about x. Find cos 
, given that sin x = 
and 360° < x < 450°.
A. 
B. 
C. - 
D. - 
Mathematics
Choose the best answer.The volume of a cereal box is about
A. 3140 mm3 B. 3140 cm3 C. 3140 m3 D. 3140 dm3
Mathematics
The graph of a function f is given. Use the graph to answer the question.What is the domain of f? Write it in interval notation.
A. (-?, ?) B. [-25, 25] C. [0, ?) D. [-20, 27.5]
Mathematics
Use an analytic method to solve the equation. (x2 - 8)1/2 = (x + 4)1/2
A. {4} B. {8, 4} C. {-3, 4} D. ?
Mathematics