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[" 3.मान fिकारिष्र : "],[[" (i) "(sin^(2...

[" 3.मान fिकारिष्र : "],[[" (i) "(sin^(2)63^(@)+sin^(2)27^(@))/(cos^(2)17^(@)+cos^(2)73^(@))],[" (it) "sin25^(@)cos65^(@)+cos25^(@)sin65^(@)]]

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

Evaluate : sin25^(@)cos65^(@)+cos25^(@)sin65^(@)

2sin65^@cos25^@=

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

Evaluate :- sin25^@cos65^@+cos25^@sin65^@ .

Evaluate: sin 25^(@) cos 65^(@) + cos 25^(@) sin 65^(@) .

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.