Roboguru

Pertanyaan

sin left parenthesis negative 345 degree right parenthesis plus cos left parenthesis negative 650 degree right parenthesis 

  1. ....

  2. ....

Pembahasan Soal:

table attributes columnalign right center left columnspacing 0px end attributes row cell sin left parenthesis negative 345 degree right parenthesis right parenthesis end cell equals cell negative sin space 345 degree end cell row blank equals cell negative sin left parenthesis negative 15 degree plus 2 cross times 180 degree right parenthesis end cell row blank equals cell negative sin left parenthesis negative 15 degree right parenthesis end cell row blank equals cell negative left parenthesis negative sin space 15 degree right parenthesis end cell row blank equals cell sin space 15 degree end cell row blank equals cell sin space 45 degree times cos space 30 degree minus cos space 45 degree times sin space 30 degree end cell row blank equals cell fraction numerator square root of 2 over denominator 2 end fraction times fraction numerator square root of 3 over denominator 2 end fraction minus fraction numerator square root of 2 over denominator 2 end fraction times 1 half end cell row blank equals cell fraction numerator square root of 6 minus square root of 2 over denominator 4 end fraction end cell row blank blank blank row cell cos left parenthesis negative 650 degree right parenthesis end cell equals cell cos space 650 degree end cell row blank equals cell cos left parenthesis negative 70 degree plus 4 cross times 180 degree right parenthesis end cell row blank equals cell cos left parenthesis negative 70 degree right parenthesis end cell row blank equals cell cos space 70 degree end cell row blank blank blank row cell sin left parenthesis negative 345 degree right parenthesis plus cos left parenthesis negative 650 degree right parenthesis end cell equals cell fraction numerator square root of 6 minus square root of 2 over denominator 4 end fraction plus cos space 70 degree end cell row blank equals cell fraction numerator square root of 6 minus square root of 2 plus 4 space cos space 70 degree over denominator 4 end fraction end cell end table

Jadi, bentuk sederhana dari sin left parenthesis negative 345 degree right parenthesis plus cos left parenthesis negative 650 degree right parenthesis adalah table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator square root of 6 minus square root of 2 plus 4 space cos space 70 degree over denominator 4 end fraction end cell end table.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 19 Mei 2021

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