Jawaban Kordinat cartesius M(5, 135 derajat)

x
= 5cos 135
= 5 * -sin45
= -5akar2/5
y
= 5sin135
= 5 * cos 45
= 5akar2/5

(x,y)
(-5akar2/5, 5akar2/5)

Koordinat cartesius(5,135°)
r=5 alfa=135°x= r cos alfa= 5 cos 135°= 5 (-cos 45°)= 5 × -½√2= -5/2√2y= r sin alfa= 5 sin 135°= 5 sin 45°= 5 × ½√2= 5/2 √2M(-5/2√2, 5/2√2)