[" 3.मान जिकालिए : "],[" (i) "(sin^(2)63^(@)+sin^(2)27^(@))/(cos^(2)17^(@)+cos^(2)73^(@))]

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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^@) .

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

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

((sin49^(@))/(cos41^(@))-(cos17^(@))/(sin73^(@)))=?

(sin19^(@))/(cos71^(@))+(cos73^(@))/(sin17^(@))