Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.tan 
A. -1
B. 
C. 
D. 1
Answer: D
Mathematics
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Find the derivative.y = 
A. cos (x3) B. sin (x3) C. 6x5 cos (x3) D. cos (x3) - 1
Mathematics
Give an appropriate answer.Find all points (x, y) at which the tangent plane to the graph 
is horizontal.
A. (0, 1) B. (x, 1) C. (x, 1), (x, -1) D. (0, 1), (0, -1)
Mathematics
Without graphing, determine whether the following data set is exactly linear, approximately linear or nonlinear.
A. nonlinear B. exactly linear C. approximately linear
Mathematics
Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Mathematics