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Bentuk  ekuivalen dengan ....

Bentuk begin mathsize 14px style fraction numerator 2 space sin space straight A space cos space straight A over denominator 1 plus cos squared space straight A minus sin squared space straight A end fraction end style ekuivalen dengan ....

  1. begin mathsize 14px style.... end style 

  2. undefined 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 2 space sin space straight A space cos space straight A over denominator 1 plus cos squared space straight A minus sin squared straight A end fraction end cell equals cell fraction numerator 2 space sin space straight A space cos space straight A over denominator 2 cos squared space straight A end fraction end cell row blank equals cell fraction numerator sin space straight A over denominator cos space straight A end fraction end cell row blank equals cell tan space straight A end cell end table end style 

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