Evaluate the following: `(cos37^0)/(sin53^0)` (ii) `(tan54^0)/(cot36^0)` (iv) `(cos e c34^0)/(sec56^0)`

Evaluate the following: (cos37^(0))/(sin53^(0))( ii) (tan54^(@))/(cot36^(@)) (iv) (cos ec34^(0))/(sec56^(@))

Evaluate the following: (i) (cos37^(@))/(sin53^(@))(ii)(sin41^(@))/(cos49^(@))(iii)(tan54^(@))/(cot36^(@))

Evaluate the following: sin 36^0cos9^0+cos36^0 sin9^0

Evaluate the following: sin36^(@)cos9^(0)+cos36^(@)sin9^(0)

Evaluate the following: sin39^0-cos51^0 (ii) cos e c25^0-sec65^0 cot34^0-tan56^0 (iv) (sin36^0)/(cos54^0)-(sin54^0)/(cos36^0) cos^2 13^0-sin^2 77^0

Evaluate the following: (i) sin39^0-cos51^0 (ii) cos e c25^0-sec65^0 +cot34^0-tan56^0 (iii) (sin36^0)/(cos54^0)-(sin54^0)/(cos36^0) +cos^2 13^0-sin^2 77^0

Without using trigonometric tables, evaluate the following: (sec37^0)/(cos e c53^0)+2cot15^0cot25^0cot45^0cot75^0cot65^0(sin^2 18^0+sin^2 72^0)

Without using trigonometric tables, evaluate the following: (sec37^0)/(cos e c53^0)+2cot15^0cot25^0cot45^0cot75^0cot65^0(sin^2 18^0+sin^2 72^0)

Evaluate the following: (tan45^@)/(cos e c\ 30^@)+(sec60^@)/(cot45^@)-(5sin90^@)/(2cos0^@)

Without using trigonometric tables, evaluate each of the following: (sec^2 54^0-cot^2 36^0)/(cos e c^2 57^0-tan^2 33^0)+2sin^2 38^0sec^2 52^0-sin^2 45^0