If sin A=, then the value of cot A is


Given: … eq. 1

And we know that, …eq. 2


We need to find the value of cos A.


…eq. 3


(, sin2 θ +cos2 θ =1


cos2 A = 1-sin2 A


cos A = √ (1-sin2 A)


Substituting eq. 1 in eq. 3, we get


cos A = √(1-1/4)


=


Substituting values of sin A and cos A in eq. 2, we get


2
1