The value of the expression `(sin^2(15^@)+sin^2(30^@)+sin^2(45^@)+sin^2(60^@)+sin^2(75^@))` is

The value of the expression sin^(2)1^(@)+sin^(2)11^(@)+sin^(2)21^(@)+ sin^(2)31^(@)+sin^(2)41^(@)+sin^(2)45^(@)+ sin^(2)49^(@)+sin^(2)59^(@)+sin^(2)69^(@)+ sin^(2)79^(@)+sin^(2)89^(@) is :

What is value of expression 2(sin15^(@)+sin75^(@))^(2) ?

sin^2 75^@-sin^2 15^@ =

Find the value of the following: (i) "sin"^(2)30^(@)+"sin"^(2)45^(@)+"sin"^(2)60^(@)+"sin"^(2)90^(@) (ii) 2"sin"^(2)30^(@)-3cos^(2)45^(@)+cos^(2)60^(@)

The value of sin^2 5^@ + sin^2 10^@ + sin^2 15^@ + sin^2 20^@ + ... + sin^2 90^@ is:

The value of sin^2 38^@+ sin^2 52^@+ sin^2 30^@- tan^2 45^@ is equal to: sin^2 38^@+ sin^2 52^@+ sin^2 30^@- tan^2 45^@ का मान किसके बराबर है?

Find the value of sin^(2)5^(@)+ sin^(2)10^(@)+ sin^(2)15^(@)+* * * +sin^(2)90^(@) .