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Post-UTME Mathematics 2015 Objective — Question 4

Question 4 of 40 from the Post-UTME Screening (Post-UTME) Mathematics 2015 Objective paper, with the correct answer and a full explanation.

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If y = cosec x, dy/dx is

  • A. -cosec x sec x
  • B. tan x cosec x
  • C. -cot x cosec xCorrect
  • D. -cot x sec x dx

Explanation

The derivative of cosec x is -cosec x cot x.

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