" 9."tan15^(@)+cot15^(@)" दा मान होगा - "

tan15^(@) + tan 75^(@)=

tan15^(@)=2-sqrt(3)

tan75^@+tan15^@=….

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

tan ^ (- 1) (tan15 ^ (@))

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

Product of ten geometric means between 4tan15^@ and cot15^(@) is 1024