`cot15^(0)+cot75^(0)+cot315^(0)=`
a)1 b)0 c)1/2 d)3

cot16^(0)cot44^(0)+cot44^(0)cot76^(0)-cot76^(0)cot16^(0)=(a)1(b)2(c)3(d)4

cot15^(@)+cot75^(@)+cot135^(@)-csc30^(@)=

The value of (tan55^(@))/(cot35^(@))+cot1^(0)cot2^(0)cot3^(0)...cot90^(@), is -2 (b) 2(c)1(d)0

cot6^(0)cot42^(0)cot66^(@)cot78^(@)=1

Show that tan75^(@)+cot75^(0)=4

The value of cot5^(@)*cot15^(@)* cot 25^(@)* cot 35^(@)* cot45^(@) * cot 55^(@) * cot65^(@) * cot 75^(@) * cot 85^(@) is ________

The value of (1-cot2^(0))(1-cot5^(0))(1-cot11^(0))(1-cot34^(0))(1-cot40^(@))(1-cot43^(0))(1+cot45^(@)) is

Value of cot40^(0)cot20^(0)(4sin10^(0)-1) is -1 (b) 1 (c) 2 (d) 0

If A=sin15^(0)+cos15^(@),B=tan15^(@)+cot15^(@),C=tan22(1^(@))/(2)-cot22(1^(@))/(2) thenthe descending order is

The value of cot 15^(@) cot 16^(@) cot 17^(@) . . . . . cot 73^(@) cot 74^(@) cot 75^(@) is :