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The value of esxpression sin^(2)1^(@)+...

The value of esxpression
`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

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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 :

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

sin^(2)12^(0)+sin^(2)21^(0)+sin^(2)39^(0)+ sin^(2)48^(2)-sin^(2)9^(0)- sin^(2) 18^(0)=

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

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

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

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

Find the value of sin^(2)1^(@)+sin^(2)2^(@)+sin^(2)3^(@)+ ----+sin^(2)87^(@)+sin^(2)88^(@)+sin^(2)89^(@)+sin^(2)90^(@) .

The value of sin^(2)1^(@)+sin^(2)2^(@)+sin^(2)3^(@)+....+sin^(2)88^(@)+sin^(2)89^(@) is equal to