Rumus:
x° = x × π/180 radian
untuk sudut 90°
maka: x = 90
90° = 90 × π/180 radian
90° = ½π radian
90° = 0,5π radian
Jawaban:
E
Penjelasan dengan langkah-langkah:
TRİGONO DASAR
180° = π rad
maka, 90° = 180°
2
90° = π rad
90° = ½ π rad
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Rumus:
x° = x × π/180 radian
untuk sudut 90°
maka: x = 90
90° = 90 × π/180 radian
90° = ½π radian
90° = 0,5π radian
Jawaban:
E
Penjelasan dengan langkah-langkah:
TRİGONO DASAR
180° = π rad
maka, 90° = 180°
2
90° = π rad
2
90° = ½ π rad
90° = 0,5 π rad