Question
Question: Period of \|sin 2x\| + \|cos 8x\| is:...
Period of |sin 2x| + |cos 8x| is:
A
π/2
B
π/8
C
π/16
D
None of these
Answer
π/2
Explanation
Solution
Clearly period of |sin 2x| = π/2 and period of |cos 8x|
= π/8.
Now L.C.M. (π/8, π/2) = π/2 ⇒ Period of the given function is π/2