Which of the following statement(s) is/are true for the curve f(x)=cos2x
A
Graph of f(x) is symmetrical with respect to y−axis
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Range of f(x) is [−2,2]
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Range of f(x) is [−1,1]
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Period of f(x) is 2π
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C Range of f(x) is [−1,1]
It can be observed from the graph (i)f(x) is symmetrical w.r.t. y−axis. (ii) Range of f(x) is [−1,1] (iii) Period of f(x) is π