Prove that, 8 sin20° sin40° sin80° = $\sqrt{3}$
Prove that, 8 sin20° sin40° sin80° = $\sqrt{3}$ Solution: 8 sin20° sin40° sin80° = 4(2 sin20° sin40°) sin80° =4 {cos(20°+40°)-cos(20°-40°)} …
Prove that, 8 sin20° sin40° sin80° = $\sqrt{3}$ Solution: 8 sin20° sin40° sin80° = 4(2 sin20° sin40°) sin80° =4 {cos(20°+40°)-cos(20°-40°)} …