Sin(x-60) = cos 2x beserta caranya yaa
Matematika
aininasugianto
Pertanyaan
Sin(x-60) = cos 2x beserta caranya yaa
1 Jawaban
-
1. Jawaban dharmawan14
sin (x-60) = cos 2x
sin (x +60) = sin (90-2x)
x - 60 = 90 -2x
x + 2x = 90 + 60
3x = 150
x = 150/3
x = 50