Factor and simplify the expression.
A. sin x - 1
B. cos2x
C. sin x
D. sin x + 1
Answer: A
Mathematics
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Solve the problem.Three forces act on a bolt as shown in the figure. Find the resultant force.
?
A. R = 5000 lb, ? = 35° B. R = 2900 lb, ? = 104° C. R = 2900 lb, ? = -76° D. R = 5000 lb, ? = 215°
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.9x - 6 < 3x or -4x ? -12
A. (1, 3)
B. (-?, 1) ? [3, ?)
C. [1, 3]
D. ?
Mathematics
Provide an appropriate response.The slope of the line passing through the points (4, 9) and (6, k) is 5. Find k.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use a graphing utility to graph the curve defined by the given parametric equations.x = 3 cos t, y = 2 sin t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics