The value of `(cot 70^(@)+4 cos 70^(@))` is-

The value of cot70^(@)+4cos70^(@) is

The value of cot70^(@)+4cos70^(@) is (a) (1)/(sqrt(3)) (b) sqrt(3)(c)2sqrt(3)(d)(1)/(2)

cot70^(@)+4cos70^(@)

The value of cot70^0+4cos70^0 is

cos 70^(@) + sin 40^(@)=

The value of (sin 20^(@) cos 70^(@)+sin70^(@) cos 20^(@) ) is ……….. .

The value of 16cos 10^(@) cos30^(@) cos50^(@)cos70^(@) "is"

The value of (1 + sec 20^@ + cot 70^@ ) ( 1- cosec 20^@ + tan 70^@) is :

The value of (cos^(3)20^(@)-cos^(3)70^(@))/(sin^(3)70^(@)-sin^(3)20^(@))=?

The value of (sin 20^(@)cos70^(@)+ cos20^(@)sin70^(@))/(sin23^(@)"cosec"23^(@)+cos23^(@)sec23^(@)) is _________.