`sin^2 27^@+sin^2 87^@+sin^2 33^@ =`

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[sin^2 1^@ + sin^2 2^@ +sin^2 3^@ + ……………….. + sin^2 87^@ + sin^2 88^@ + sin^2 89^@] equals____

The value of sin^2 1^@ + sin^2 3^@ + sin^2 5^@ +…+ sin^2 87^@ + sin^2 89^@ is

(sin^2 1^@ + sin^2 3^@ + sin^2 5^@ + ………………… + sin^2 85^@ + sin^2 87^@ + sin^2 89^@) equals____

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

sin^2 33^@+cos^2 57^@=

sin^2(3^@)+sin^2(6^@)+sin^2(9^@)+...+sin^2(84^@)+sin^2(87^@)+sin^2(90^@)=

Evaluate :- (sin^2 63^@+sin^2 27^@)/(cos^2 17^@+cos^2 73^@) .

Evaluate :(i) (Sin^2 63^@+Sin^2 27^@)/(Cos^2 17^@+Cos^2 73^@)

Evaluate: (i) (sin^2 63^@+sin^2 27^@)/(cos^2 17^@+cos^2 73^@) (ii) sin 25^@ cos 65^@+cos 25^@sin 65^@