`sin^2 17.50+sin^2 72.50`

sin^2 17.5^@+sin^2 72.5^@ is equal to

sin^2 17. 5^(@)+sin^2 72. 5^(@) is equal to............ A) cos ^(2) 90^(@) B) tan ^(2) 45^(@) C) cos ^(2) 30^(@) D) sin ^(2) 45^(@)

sin^(2)17.5^(@) +sin^(2)72.5^(@) is equal to:

sin^(2)17.5^(@)+sin^(2)72.5^(@) is equal to

What is sin^2 50^@ + sin^2 40^@ equal to?

sin^(2)17.5^(@) + sin^(2)72.5^(@) is equal to

sin ^2 50^@+cos ^2 50^@ =?

sin ^ (2) 40 + sin ^ (2) 50

Prove the following identities: sin10^(@) sin50^(@) + sin50^(@) sin 250^(@) + sin 250^(@) sin 10^(@) = -3/4