Question

Tentukan koordinat kutub ( 10√3 10 )

Answer 1

Verified answer

Jawab
koordnat kutub (r, a°)
x = 10√3
y = 10
x >0 , y > 0 --> a dikd I
r = √(x²+y²) = 20
tan a = y/x = 1/√3 --> a= 30
kutub (r,a°)= (20, 30°)