Identitas trigonometri
Matematika
0812265142014
Pertanyaan
Identitas trigonometri
1 Jawaban
-
1. Jawaban oktanaruhma
Sin^2 x +cos^2 x =1
1+tan^2 x = sec^2 x
Sin2x = 2sinxcosx
Cos2x = 2cos^2 x - 1