" Prove that : "(cos17^(@)+sin17^(@))/(cos17^(@)-sin17^(@))=tan62^(@)

( cos 17^(@) + sin 17^(@))/( cos 17^(@) - sin 17^(@)) = tan 62^(@)

(cos 17^(@) + sin 17^(@))/(cos 17^(@) - sin 17^(@))=

(cos(17^(@))+sin(17^(@)))/(cos(17^(@))-sin(17^(@)))= …………

sin47^(@)+cos77^(@)=cos17^(@)

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

Prove that sin55^(@)-sin19^(@)+sin53^(@)-sin17^(@)=cos1^(@)

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

" The value of ((sin17^(@))(cos13^(@))+(cos17^(@))(sin13^(@)))/((cos23^(@))(cos37^(@))-(sin157^(@))(sin37^(@))) is equal to

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

(sin30^(@)17)/(cos59^(@)43)