Answers edited by Dreamer.N

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• How do you write the complex number in trigonometric form #3-3i#?
  
• My book says this is cis. But I can't see it. Is this a mistake or what?
  
• How do you simplify #8^ { 0.333} #?
  
• What happens when alkenes are oxidized?
  
• Is the function #f(x)=1/(x^3+1)# even, odd or neither?
  
• Write the rule for the following arithmetic sequence: #" "11, 15, 19, 23, …# A: #t_n =2n+10" "# B: #t_n=4n+10" "# C: #t_n=-4n+7" "# D:# t_n = 4n+7# ?