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sin^(2)160^(@)+sin^(2)140^(@)+sin^(2)100...

sin^(2)160^(@)+sin^(2)140^(@)+sin^(2)100^(@)=

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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 :

The value of sin^(2) 1^(@) + sin^(2) 2^(@) + sin^(2) 3^(@)+ . . . . + sin^(2) 89^(@) + sin ^(2) 90^(@) is

sin^(2)5^(@)+sin^(2)10^(@)+sin^(2)15^(@)+ .....+sin^(2)85^(@)+sin^(2)90^(@) is equal to

Show that sin^(2) 12^(@)+ sin ^(2)21^(@)+ sin ^(2)39^(@)+ sin^(2)48^(@)=1+ sin^(2)9^(@)+ sin^(2)18^(@)

(sin^(2)1^(@) + sin^(2)3^(@) + sin^(2)5^(@) +sin^(2)7^(@) + ….. + sin^(2)87^(@) + sin^(2)89^(@)) equals

sin^(2) 20^(@) + sin^(2) 100^@ + sin^(2) 140^(@) =

sin^(2)5^(@) + sin^(2)25^(@) + sin^(2)45^(@) + sin^(2) 65^(@) + sin^(2) 85^(@) is equal to:

Prove that: sin^(2)12^(@)+sin^(2)21^(@)+sin^(2)39^(@)+sin^(2)48^(@)=1+sin^(2)9^(@)+sin^(2)18^(@)