0000:00:00:00:00Start20Number 20ExplanationThe value of sin75∘−sin165∘\sin 75^\circ - \sin 165^\circsin75∘−sin165∘ is ....−1-1−1−122-\frac{1}{2}\sqrt{2}−212122\frac{1}{2}\sqrt{2}2123\sqrt{3}32\sqrt{2}2
20Number 20ExplanationThe value of sin75∘−sin165∘\sin 75^\circ - \sin 165^\circsin75∘−sin165∘ is ....−1-1−1−122-\frac{1}{2}\sqrt{2}−212122\frac{1}{2}\sqrt{2}2123\sqrt{3}32\sqrt{2}2
