Evaluate `(sec 35^(@))/( cosec 55^(@)) `

Evaluate cosec 31^(@) -sec 59^(@)

Evaluate sin 15^(@) sec 75^(@)

Evaluate: cosec31^(@)-sec59^(@)

Find the values of cosec 60 ^(@) ,sec 60^(@) and cot 60^(@)

Evaluate the following and justify your answer. sec 16^(@) cosec 74^(@) -cot 74^(@) tan 16^(@)

Find the value of sin(135^(@))cosec(225^(@))tan(150^(@))cot(315^(@))

Evaluate the following (cos 45^(@))/( sec 30^(@) +cosec 60^(@))

Find the values for tan 90^(@) ,cosec 90 ^(@) , sec 90 ^(@) and cot 90 ^(@)

Find the values of sin 30^(@) ,cos 30 ^(@) ,tan 30 ^(@) ,cosec 30^(@) ,sec 30 ^(@) and cot 30^(@) by using the ratio concepts .

Find the following integrals int(sec^(2)x)/(cosec^(2)x)dx