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Nilai  adalah ....

Nilai begin mathsize 14px style tan space 25 degree cross times tan space 65 degree plus fraction numerator sin space 25 degree over denominator cos space 65 degree end fraction end style adalah ....

  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 blank blank cell tan space 25 degree cross times tan space 65 degree plus fraction numerator sin space 25 degree over denominator cos space 65 degree end fraction end cell row blank equals cell tan space open parentheses 90 degree minus 65 degree close parentheses cross times tan space 65 degree plus fraction numerator sin space open parentheses 90 degree minus 65 degree close parentheses over denominator cos space 65 degree end fraction end cell row blank equals cell cotan space 65 degree cross times tan space 65 degree plus fraction numerator cos space 65 degree over denominator cos space 65 degree end fraction end cell row blank equals cell 1 plus 1 end cell row blank equals 2 end table end style 

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