Tan X.sin(90-X)/cosX.tan (90+x)
Matematika
Maulidinirahma
Pertanyaan
Tan X.sin(90-X)/cosX.tan (90+x)
1 Jawaban
-
1. Jawaban soniagracia3
[Tan x.sin (90-x)] /[cos cos.tan (90)]
=[(sin x )/(cos).cos x) / [cos x.cot x]
=(sin x )/ [cos x.(cos x)/ (sin x )]
=(sin x ) ^ 2/ (cos x)^2
=(Tan x )^2
=Tan ^2 x