Prove that  `sin 10^(@) " sin " 50^(@)  " sin " 60^(@)  " sin " 70^(@)  = .(sqrt(3))/(16)`
Channel: Doubtnut
Date: 2020-04-19

Prove that  `sin 10^(@) " sin " 50^(@)  " sin " 60^(@)  " sin " 70^(@)  = .(sqrt(3))/(16)`