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- IIT JAM
- Physics (PH)
Stnx 1 ) aperi bd i fun etion o wt pariodt fo saries cos ine ar be uriar c can tt ejjrevent of eriv ) s an cos4 15 3t hw con ve uv fe sin (<) uesto use ar n cos
stnx 1 ) aperi bd i fun etion o wt PariodT Fo SAries Cos ine ar be uriar C Can tt ejjrevent of eriv ) S an cos4 15 3T hw Con ve uv fe Sin (<) uesto use ar n CoS)n Ser a d4 a a lo Sin inealy in dependent ano femtn C1ne eve n dnd unetio e fhiy wriye de Can 2sinx -cos (ax)
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Ruby negi Best Answer
every function which statisfies dirichlet conditions can be written in the form of Fourier series that is in terms of sine and cosine.. here sinx is a function ,u can find easily find its cos 4x component.. option c is correct...
but the period of sinx is 2pi...if it was pi then the function has to be sin2x isn't it?
yeah, period of sinx is 2π but in the question they give only upto π...
they want Fourier series of function only upto period π...