Jawaban:
(-4, 4)
Penjelasan dengan langkah-langkah:
x = r . cos a
x = 4√2 . cos 135°
x = 4√2 . (-1/2 √2)
x = -4
y = r . sin a
y = 4√2 . sin 135°
y = 4 √2 . 1/2 √2
y = 4
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Jawaban:
(-4, 4)
Penjelasan dengan langkah-langkah:
x = r . cos a
x = 4√2 . cos 135°
x = 4√2 . (-1/2 √2)
x = -4
y = r . sin a
y = 4√2 . sin 135°
y = 4 √2 . 1/2 √2
y = 4
(-4, 4)