Find the value of the following:
`(tan45^(@))/("cosec"30^(@))+(sec60^(@))/(cot45^(@))-(5sin90^(@))/(2cos0^(@))`

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

Find the value of the following: tan15^(@)tan30^(@)tan45^(@)tan60^(@)tan75^(@)

Find the value of the following: (cos70^(@))/(sin20^(@))+(cos59^(@))/(sin31^(@))+(costheta)/(sin(90^(@)-theta))-8cos^(2)60^(@)

Find the value of the following: (cos47^(@)/sin43^(@))^(2)+(sin72^(@)/cos18^(@))^(2)-2cos^(2)45^(@)

Find the value of the following: (sin90^(@)+cos60^(@)+cos45^(@))xx(sin30^(@)+cos0^(@)-cos45^(@))

Find the value of the following: sin^(2)30^(@)-2cos^(3)60^(@)+3tan^(4)45^(@)

Evaluate the following (sin 30^(@) +tan 45^(@) -cosec 60^(@) )/( cot 45^(@)+cos 60^(@) -sec 30^(@))