cosec 300 derajat + cos 150 derajat
Matematika
imeld0
Pertanyaan
cosec 300 derajat + cos 150 derajat
1 Jawaban
-
1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
cosec 300° + cos 150°
= 1/sin 300° + cos 150°
= 1/(-1/2 √3) + (-1/2 √3)
= (-2/3 √3) - 1/2 √3
= (-1/6) (4 + 3 √3)