Find all solutions of the equation in the interval [0, 2?).cos 2x - 3 cos x + 2 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the polar equation.r = 5 sin 4?
A. 
B. 
C. 
D. 
Mathematics
Find the integral.
dx
A. -4(cot-1 x)5 + C
B. 
+ C
C. 4(cot-1 x)3 + C
D. 
+ C
Mathematics
Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.cos(sin-1 x)
A. 
B. 
C. 
D. 
Mathematics
Which of the following functions is represented by the graph below?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics