Nilai dari sin(−225°)=....\sin\left(-225\degree\right)=....sin(−225°)=....
122\frac{1}{2}\sqrt{2}212
−3-\sqrt{3}−3
2\sqrt{2}2
−122-\frac{1}{2}\sqrt{2}−212
−123-\frac{1}{2}\sqrt{3}−213