Mark the tick against the correct answer in the following:

The value of is



To Find: The value of


Now, let x =


cot x =cot ()


Here range of principle value of cot is []


x = []


Hence for all values of x in range [] ,the value of


is


cot x =cot () (cot ()= cot () )


cot x =cot () (cot ()= cot )


x =

1
1