sin 120° + sin 150° per cos 330° + cos 240° =
Matematika
Zahra261111
Pertanyaan
sin 120° + sin 150°
per
cos 330° + cos 240° =
per
cos 330° + cos 240° =
1 Jawaban
-
1. Jawaban ArZain
(sin 120° + sin 150°) / (cos 330° + cos 240°)
= (1/2√3 + 1/2) / (1/2√3 - 1/2)
= 1/2(√3 + 1) / 1/2(√3 - 1) ---------->> (coret "1/2)
= (√3 + 1)/(√3 - 1)