sin10^(@)+sin20^(@)+sin30^(@).........sin360^(@)

sin20^(@)+sin40^(@)-sin80^(@)=

The value of sin10^(@)+2sin20^(@)+sin30^(@)+….+sin360^(@) is equal to

sin 10^(@) + sin 20^(@) + sin30^(@) +…+ sin 360^(@) is equal to

sin 10^(@) + sin 20^(@) + sin30^(@) +…+ sin 360^(@) is equal to................ A) 0 B) 1 C) -1 D) 1/2

Prove that sin10^(@) + sin20^(@) + sin 40^(@) + sin 50^(@) = sin 70^(@) + sin 80^(@)

1+ cos 10^(@) + cos 20^(@)+ cos 30^(@)= ............... A) 4 cos 5^(@) cos 10^(@) cos 15^(@) B) 4 cos 10^(@) cos 20^(@) cos 30^(@) C) 4 sin 5^(@) sin 10^(@) sin 15^(@) D) 4 sin 10^(@) sin 20^(@) sin 30^(@)

sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) sin 90^(@)=

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 .