Roboguru

Diketahui  dan . Hitung b.

Pertanyaan

Diketahui begin mathsize 14px style alpha equals 45 degree end style dan begin mathsize 14px style beta equals 60 degree end style. Hitung

b.  begin mathsize 14px style sin space 45 degree cross times cos space 60 degree plus sin space 60 degree cross times cos space 45 degree end style  

Pembahasan Video:

Pembahasan Soal:

table attributes columnalign right center left columnspacing 0px end attributes row cell sin space 45 degree cross times cos space 60 degree plus sin space 60 degree cross times cos space 45 degree end cell equals cell 1 half square root of 2 cross times 1 half plus 1 half square root of 3 cross times 1 half square root of 2 end cell row blank equals cell 1 fourth square root of 2 plus 1 fourth square root of 6 end cell row blank equals cell 1 fourth open parentheses square root of 2 plus square root of 6 close parentheses end cell row blank blank blank end table 

Sehingga  sin space 45 degree cross times cos space 60 degree plus sin space 60 degree space cross times space cos space 45 degree space equals space 1 fourth left parenthesis square root of 2 plus square root of 6 right parenthesis

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 04 Mei 2021

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