FunctionHard
Question
The period of sin 
[x] + cos 
+ cos 
[x], where [ . ] denotes the integral part of x, is.
[x] + cos + cos [x], where [ . ] denotes the integral part of x, is. Options
A.8
B.12
C.24
D.Non-periodic
Solution
sin 
[x] + cos
+ cos 
[x]
period is LCM of 8, 4 and 6 = 24
[x] + cos + cos [x]period is LCM of 8, 4 and 6 = 24
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