Find the value of `sec(15)^@/(cosec(75)^@)+sin(72)^@/(cos(18)^@) -tan(30)^@/cot(57)^@`

Find the value of (sec(15)^(@))/(cos ec(75)^(@))+(sin(72)^(@))/(cos(18)^(@))-(tan(30)^(@))/(cot(57)^(@))

Find the value of (sec 15^o/(cosec 75^o)) + (sin 72^o/cos 18^o) - (tan 33^o/cot 57^o)

Find the values of sin75^(@), cos75^(@), tan75^(@) and cot75^(@) .

Find values of sin15^(@),cos15^(@),sin75^(@),cos75^(@),tan15^(@),tan75^(@) .

Evaluate: sec^(2)18^(@)-cosec^(2)72^(@)

Find the value of : (tan45^(@))/(cosec30^(@))+(sec60^(@))/(cot45^(@))-(5sin90^(@))/(2cos0^(@))

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