Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin x cos 
- cos x = 1
A. 0, ?
B. 0
C. ?
D. No solution
Answer: C
Mathematics
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Solve the equation.2x2 = 5x + 7
A. x = 
, x = 1
B. x = 
, x = -1
C. x = 
, x = -1
D. x = 
, x = 0
Mathematics
Solve the problem.There are 7750 self-employed persons in a town. If this represents 15% of the total number, what is the total number? Round to the nearest whole number.
A. 517 B. 1163 C. 116,300 D. 51,667
Mathematics
Indicate whether the graph of the equation is a circle, an ellipse, a hyperbola, or a parabola. Then graph the conic section.
- 
= 1
A. parabola
B. circle
C. ellipse
D. hyperbola
Mathematics
Find the vertical asymptotes of the rational function. f(x) = 
A. x = 
, x = 
B. x = - 
, x = - 
C. x = - 
, x = - 
D. x = - 
, x = 
Mathematics