Divide the complex numbers below and leave the result in trigonometric form.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Prove the identity.csc2 
= 
What will be an ideal response?
Mathematics
Determine if the given function y is a solution of the differential equation that follows it. Assume that C is an arbitrary constant.y = C1e-x - C2ex; y''(x) - y = 0
A. No B. Yes
Mathematics
Evaluate the expression for the given replacement values.xy, for x = 4 and y = 4
A. 3 B. 44 C. 16 D. 256
Mathematics
Write the word statement as an equation. Use x to represent the unknown number. Do not solve.Four times the sum of a number and 31 decreased by 9 is the same as the difference of six times the number and 15.
A. (4x + 31) - 9 = 6x - 15 B. (4x + 31) - 9 = 15 - 6x C. 4(x + 31) - 9 = 6(x - 15) D. 4(x + 31) - 9 = 6x - 15
Mathematics