`(sin18^0)/(cos72^0)+(sin22^0)/(cos68^0)-(cos38^0cos e c52^0)/(tan18^0tan35^0tan60^0tan72^0tan55^0)`

(sin18^(0))/(cos72^(0))+(sin22^(0))/(cos68^(@))-(cos38^(0)cos ec52^(0))/(tan18^(@)tan35^(@)tan60^(@)tan72^(@)tan55^(@))

Without using Trigonometric Tables evaluate the following :- (cos58^@)/(sin32^@)+(sin22^@)/(cos68^@)-(cos38^@ cosec52^@)/(tan18^@tan35^@tan60^@tan72^@tan55^@) .

Evaluate: (cos 58^@)/(sin 32^@)+(sin 22^@)/(cos 68^@)-(cos 38^@cosec 52^@)/(tan 18^@tan 35 ^@ tan 60^@tan 72^@tan 55^@) .

Evaluate each of the following: (a) cos(40^0-theta)-sin(50^0+theta)+(cos^2 40^0+cos^2 50^0)/(sin^2 40^0+sin^2 50^0) (b) (cos70^0)/(sin20^0)+(cos55^0cos e c35^0)/(tan5^0tan25^0tan45^0tan65^0tan85^0) (c) 2((cos58^0)/(sin32^0))-sqrt(3)((cos38^0cos e c52^0)/(tan15^0tan60^0t a n75^0))

Evaluate each of the following: (a) cos(40^0-theta)-sin(50^0+theta)+(cos^2 40^0+cos^2 50^0)/(sin^2 40^0+sin^2 50^0) (b) (cos70^0)/(sin20^0)+(cos55^0cos e c35^0)/(tan5^0tan25^0tan45^0tan65^0tan85^0) (c) 2((cos58^0)/(sin32^0))-sqrt(3)((cos38^0cos e c52^0)/(tan15^0tan60^0t a n75^0))

Evaluate : tan7^0tan23^0tan60^0tan67^0tan83^0

Evaluate : ( (3cos55^0) / (7sin35^0))-(4/7)(cos70^0cos e c20^0)/(tan5^0tan25^0tan45^0tan65^0tan85^0

Evaluate : tan35^0tan40^0tan45^0tan50^0tan55^0

Evaluate : (2sin68^0)/(cos22^0)-(2cot15^0)/(5tan75^0)-(3tan45^0tan20^0tan40^0tan50^0tan70^0)/5

Evaluate :(3cos55^(0))/(7sin35^(@))-(4(cos70^(0)cos ec20^(0))/(7(tan5^(0)tan25^(0)tan45^(@)tan65^(@)tan85^(@)))