Nilai dari sin90°cos30°sin45°=....\sin90\degree\cos30\degree\sin45\degree=....sin90°cos30°sin45°=....
−14-\frac{1}{4}−41
−12-\frac{1}{2}−21
123\frac{1}{2}\sqrt{3}213
143\frac{1}{4}\sqrt{3}413
146\frac{1}{4}\sqrt{6}416