Use your graphing calculator to convert the complex number to trigonometric form. Round the angle to the nearest hundredth of a degree.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: A
Mathematics
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Use reduction formulas to evaluate the integral.
A. - 
cot3 4x + 
cot 4x + x + C
B. - 
cot2 4x + 
cot 4x - x + C
C. - 
cot3 4x + 
cot 4x + C
D. - 
cot3 4x - 
cot 4x + x + C
Mathematics
Find the numerical value of the expression for 
and 
A. a) 
b) 
B. a) 
b) 
C. a) 
b) 
D. a) 
b) 
Mathematics
Solve the problem.A cab company charges a base rate of $1.00 plus 10 cents per minute. Let y be the cost in dollars of using the cab for x minutes. Find the slope-intercept form of the equation.
A. y = 1.00x - 0.10 B. y = 1.00x + 0.10 C. y = 0.10x - 1.00 D. y = 0.10x + 1.00
Mathematics
Write the expression in the standard form a + bi.
A. 1 B. i C. -i D. -1
Mathematics