document.write( "Question 1206383: Prove the identity
\n" ); document.write( "i) cotx - cot2x = cosec2x
\n" ); document.write( "ii) Show that *integral* (with limit pi/4 and pi/6) cot x dx = 1/2 ln 2.
\n" ); document.write( "iii) Find the exact value of *integral* (with limit pi/4 and pi/6) cosec 2x dx, giving your answer in the form alnb. \n" ); document.write( "

Algebra.Com's Answer #843810 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "Change the denominator back to sin(2x)\r\n" );
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document.write( "Edwin

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