Trigonometry
Inverse Trigonometric Functions
MCQ (Single Correct Answer)Subjective
1
WB JEE 2016
MCQ (More than One Correct Answer)
+2
-0
Let f : X $$ \to $$ X be such that f [f(x)] = x, for all x$$\in$$X and X$$ \subseteq $$R, then
A
f is one-to-one
B
f is onto
C
f is one-to-one but not onto
D
f is onto but not one-to-one
WB JEE Subjects