Prove that `(cos37^@+sin37^@)/(cos37^@-sin37^@)=cot8^@=tan82^@`

4sin23^(@)sin37^(@)sin83^(@)=

Prove that: sin 23^0+sin 37^0=cos7^0

Prove that: (cos8^(0)+sin8^(0))/(cos8^(0)-sin8^(@))=tan37^(0)

Prove that (cos 8^(@) - sin 8^(@))/(cos 8^(@) + sin 8^(@)) = tan 37^(@)

Prove that (cos 8^(@) - sin 8^(@))/(cos 8^(@) + sin 8^(@)) = tan 37^(@)

cos51^(@)-sin39^(@)+sin37^(@)-cos53^(@)=?

4backslash sin23^(@)sin37^(@)sin83^(@)=

Without taking the help of the table of tribonometric ratios,show that:(i) (cos37^@/sin53^@)+(sin41^@/cos49^@)=2

Establish cot 53^@ sin 37^@ sec 53^@ sin 53^@ cot 37^@ = cos 37^@