If f(x)=sin−1x⋅cos−1x⋅tan−1x⋅cot−1x⋅sec−1x⋅csc−1x…
Mathematics
Problem
If f(x)=sin−1x⋅cos−1x⋅tan−1x⋅cot−1x⋅sec−1x⋅csc−1x , then which of the following statement(s) hold(s) good?
a. The graph of y=f(x) does not lie above x axis
b. The non-negative difference between maximum minimum value of the function y=f(x) is 643π6
c. The function y=f(x) is not injective.
d. Number of non-negative integers in the domain of f(x) is two.