F(x)= x/sinx maka f'(x)=?
Matematika
alifia160
Pertanyaan
F(x)= x/sinx maka f'(x)=?
1 Jawaban
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1. Jawaban whongaliem
f (x) = x / sin x
misal : u = x dan v = sin x
u' = 1 v' = cos x
f (x) = x / sin x
= u / v
f'(x) = (u' .v - u .v') / v²
= (1 .sin x - x .cosx) / sin² x
= (sin x - x .cos x) / sin² x