Write the complex number in rectangular form.4 cis 135°
A. 4
+ 2i
B. -2
+ 2i
C. 4
- 2i
D. 2
- 2i
Answer: B
Mathematics
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Evaluate the integral.
A. 
tan2x - 7 ln
+ C or 
tan2x + 7 ln
+ C
B. 
sec2x - 7 ln
+ C or 
tan2x - 7 ln
+ C
C. 9 sec2x + 7 ln
+ C or 9 tan2x + 7 ln
+ C
D. 
sec2x - ln
+ C or 
tan2x - ln
+ C
Mathematics
Find the derivative.y = 
+ 
A. 
+ 
B. - 
+ 
C. - 
- 
D. - 
- 
Mathematics
Provide an appropriate response. Given the coordinates of three points that form a triangle, what formula must be used to determine if the triangle is equilateral?
A. equation of a line B. slope C. distance D. midpoint
Mathematics
Convert.68 quarts = gallons
A. 17 B. 136 C. 272 D. 34
Mathematics