" olle "3" sin "50^(@)" losio "+cos50^(@)" sin "10^(@)

sin 50 ^(@) - sin 70^(@) + sin 10^(@)

The value of sin 50^(@) - sin 70^(@) + sin 10^(@) is

The value of sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) is

The value of sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) is equal to .

The value of sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) is equal to .

The value of sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) is equal to .

sin 10 ^(@) sin 50^(@) sin 70^(@) = (1)/(8).

Prove that (i) sin 70^(@) cos 10^(@) -cos 70^(@) sin 10^(@) =(sqrt(3))/(2) (ii) cos 50^(@) cos 10^(@) -sin 50^(@) sin 10^(@) =(1)/(2) (ii) cos 80^(@) cos 20^(@) + sin 80^(@) sin 20^(@) =(1)/(2) (iv) sin 36^(@) cos 9^(@) + cos 36^(@) sin 9^(@) =(1)/(sqrt(3))

Prove that sin 50^(@) - sin 70^(@) +sin 10^(@) =0 .