Sin(10°-4x) = cos(3x+30°)
Matematika
kamildasilvap3sa3q
Pertanyaan
Sin(10°-4x) = cos(3x+30°)
1 Jawaban
-
1. Jawaban Anonyme
jawab
trigonometri
sin (10 - 4x ) = cos (3x +30)
cos (90 -(10- 4x)) = cos (3x + 30)
co (80 + 4x) = cos (3x +30)
80 + 4x = 3x + 30
4x -3x = 30 - 80
x = - 50