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f(x)=cospx+sinpx is periodic then p must be rational or irrational or can be postive real number.Thanks

vineet nimesh , 10 Years ago
Grade
anser 1 Answers
Jitender Singh

Last Activity: 10 Years ago

Ans:
f(x) = cos(x)
f(x) = sin(x)
are periodic function with a period of 2pi.
f(x) = cos(px)
f(x) = sin(px)
are periodic with a period of
\frac{2\pi }{|p|}, p\neq 0
p can be anything other than zero.
Thanks & Regards
Jitender Singh
IIT Delhi
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