Find the value of the following :
`tan70^(@)17'`

Find the value of the following : tan70^(@)58'+cos15^(@)26'-sin84^(@)59'

Find the values of the following: tan840^@

Find the value of the following: tan 15^@

The value of the following is : (tan20^(@))^(2)/(("cosec"70^(@))^(2))+((cot20^(@))^(2))/("sec70^(@))^(2)+2tan15^(@).tan45^(@).tan75^(@)

Find the value of tan70^(@) .

Find the exact value of the expression (tan70^(@)-tan20^(@)-2tan40^(@))/(tan10^(@))

Without using Trigonometric Tables evaluate the following :- ((tan20^@)/(cosec70^@))^2+((cot20^@)/sec70^@)+2tan15^@tan37^@tan53^@tan60^@tan75^@ .

Find the values of following determinants. |(5,3),(-7,0)|