Roboguru

Nilai  = ...

Pertanyaan

Nilai fraction numerator sin space 150 degree plus sin space 120 degree over denominator cos space 210 degree minus cos space 300 degree end fraction = ...

  1. 2 

  2. 1 

  3. 0 

  4. negative 1 half 

  5. negative 1 

Pembahasan Soal:

table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator sin space 150 degree plus sin space 120 degree over denominator cos space 210 degree minus cos space 300 degree end fraction end cell equals cell fraction numerator begin display style 1 half end style plus begin display style fraction numerator square root of 3 over denominator 2 end fraction end style over denominator negative begin display style fraction numerator square root of 3 over denominator 2 end fraction end style minus begin display style 1 half end style end fraction end cell row blank equals cell fraction numerator begin display style fraction numerator 1 plus square root of 3 over denominator 2 end fraction end style over denominator begin display style fraction numerator negative square root of 3 minus 1 over denominator 2 end fraction end style end fraction end cell row blank equals cell fraction numerator 1 plus square root of 3 over denominator negative square root of 3 minus 1 end fraction end cell row blank equals cell fraction numerator 1 plus 3 over denominator negative left parenthesis 1 plus square root of 3 right parenthesis end fraction end cell row blank equals cell negative 1 end cell end table 

Oleh karena itu, jawaban yang benar adalah E. space 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 20 Mei 2021

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