Use a calculator to find the approximate value of the expression rounded to two decimal places.tan 42°
A. 2.42
B. 2.29
C. 1.03
D. 0.90
Answer: D
Mathematics
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Find the work done by F over the curve in the direction of increasing t.F = 6yi + 
j + (6x + 5z)k; C: r(t) = ti + t2j + tk, 0 ? t ? 2
A. W = 59 + 20
B. W = 38 + 20
C. W = 0
D. W = 38 + 
Mathematics
Graph the sinusoidal function.y = -3 sin (
x)
A. 
B. 
C. 
D. 
Mathematics
Begin by graphing the standard quadratic function f(x) = x2 . Then use transformations of this graph to graph the given function.h(x) = -(x - 7)2 + 2
A. 
B. 
C. 
D. 
Mathematics
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 6, b = 6
A. c = 6
B. c = 
; c ? 8.485
C. c = 
; c ? 6.083
D. c = 
; c ? 3.464
Mathematics