(Sinx+cosx)2=1+2 sinx cosx
Matematika
kaariksxw
Pertanyaan
(Sinx+cosx)2=1+2 sinx cosx
1 Jawaban
-
1. Jawaban ravhinzy
Sin^2 x + 2sinx.cosx +cos^2 x
Karena identitas triginometri
Sin^2 x +cos^2 x=1
Maka
Sin^2 x + 2sinx.cosx +cos^2
= 1 + 2sinx.cosx