to 15º + cot 15° :

Show that tan 15^@ + cot 15^@ = 4

cot 15^@ + cot 75^@ + cot 135^@ - cosec 30^@ equals

If A= tan 15^(@) + cot 15^(@) , B= tan""22^(1^(@))/(2) + cot"" 22(1^(@))/(2) and C= sin 54^(@) - sin 18^(@) then the ascending order is

Find tan 15^(@) and hence show that tan 15^(@) + cot 15^(@) =4 .

Find tan 15^@ and hence show that tan 15^@+ cot 15^@ = 4 .

cot 15^(@) + cot 75^(@) + cot 315^(@) =

If tan 15^@=2-sqrt3 , then the value of tan15^@ cot 75^@+tan75^@ cot 15^@ is

What is cot 15 ^(@)cot 20^(@) cot 70^(@) cot 75 ^(@) equal to ?

A quadratic equation whose roots are tan15^(@) and cot15^(@) is