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If f(x) = sin x + cos ax is a periodic function, show that a is a rational number.

+1 vote

asked Apr 1, 2019 in JEE by kratos

If f(x) = sin x + cos ax is a periodic function, show that a is a rational number.

class-12
jee
jee mains
functions

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1 Answer

+6 votes

answered Mar 16, 2020 by kratos

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Given f(x) = sin x + cos ax

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