SOLUTION: Prove the identity i) cotx - cot2x = cosec2x ii) Show that *integral* (with limit pi/4 and pi/6) cot x dx = 1/2 ln 2. iii) Find the exact value of *integral* (with limit pi/4

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Question 1206382: Prove the identity
i) cotx - cot2x = cosec2x
ii) Show that *integral* (with limit pi/4 and pi/6) cot x dx = 1/2 ln 2.
iii) Find the exact value of *integral* (with limit pi/4 and pi/6) cosec 2x dx, giving your answer in the form alnb.

Answer by ikleyn(52776)   (Show Source): You can put this solution on YOUR website!
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