Tentukan nilai fungsi f(x)= cos x-sin x ;jika x = v per 3
Matematika
craehanachaeri6834
Pertanyaan
Tentukan nilai fungsi f(x)= cos x-sin x ;jika x = v per 3
1 Jawaban
-
1. Jawaban ahreumlim
cos(π/3) = 1/2
sin(π/3) = 1/2 (√2)
f(π/3) = cos(π/3) - sin(π/3)
= 1/2 - √2 / 2
= [1 - √2] / 2