[" 2.Evaluate: "],[qquad (sin^(2)63^(@)+sin^(2)27^(@))/(cos^(2)17^(@)+cos^(2)73^(@))]

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

(2sin^(2)53^(@)+1+2sin^(2)37^(@))/(3cos^(2)27^(@)-2+3cos^(2)63^(@))=?

Find the value of (2sin^(2)63^(@)+1+2sin^(2)27)/(3cos^(2)17^(@)-2+3cos^(2)73^(@))

Prove that ((sin^(2)73^(@)+sin^(2)17^(@)))/((cos^(2)28^(@)+cos^(2)62^(@)))=1.

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

The value of sin^(2) 63^(@) + sin^(2) 27^(@) is

Find the value of [(sin^(2)22^(@)+sin^(2)68^(@))/(cos^(2)22^(@)+cos^(2)68^(@))+sin^(2)63^(@)+cos63^(@)sin27^(@)]

Answer the following by a number or a word or a sentence : What is the value of (sin^(2)22^(@)+sin^(2)68^(@))/(cos^(2)22^(@)+cos^(2)68^(@))+sin^(2)63^(@)+cos63^(@)sin27^(@) ?

Evaluate: ( i ) (sin^(2)63+sin^(2)27)/(cos^(2)17+cos^(2)73)( ii) sin25^(@)backslash cos65^(@)+cos backslash25sin backslash65