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Nilai dari  adalah...

Nilai dari begin mathsize 14px style fraction numerator sin space 90 degree plus 4 space cos space 60 degree minus tan space 45 degree over denominator 2 space sin space 150 degree minus cos space 300 degree end fraction end style adalah...

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator sin space 90 degree plus 4 space cos space 60 degree minus tan space 45 degree over denominator 2 space sin space 150 degree minus cos space 300 degree end fraction end cell equals cell fraction numerator 1 plus open parentheses 4 cross times begin display style 1 half end style close parentheses minus begin display style 1 half end style square root of 2 over denominator 2 space sin space open parentheses 180 degree minus 30 degree close parentheses minus cos open parentheses 360 degree minus 60 degree close parentheses end fraction end cell row blank equals cell fraction numerator 1 plus 2 minus begin display style 1 half end style square root of 2 over denominator 2 space sin space 30 degree plus cos space 60 degree end fraction end cell row blank equals cell fraction numerator 3 minus begin display style 1 half end style square root of 2 over denominator open parentheses 2 cross times begin display style 1 half end style close parentheses plus begin display style 1 half end style end fraction end cell row blank equals cell fraction numerator open parentheses begin display style fraction numerator 6 minus square root of 2 over denominator 2 end fraction end style close parentheses over denominator open parentheses begin display style 3 over 2 end style close parentheses end fraction end cell row blank equals cell fraction numerator 6 minus square root of 2 over denominator 3 end fraction end cell end table end style 

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