cos x-sin x= 7/5 maka sinx -cosx =
Matematika
d7emah9veferrY
Pertanyaan
cos x-sin x= 7/5 maka sinx -cosx =
1 Jawaban
-
1. Jawaban whongaliem
sin x - cos x = - (cos x - sin x)
= - (7/5)
= - 7/5