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If f : R to is definedby f(x ) =7 + ...

If f : R `to` is definedby f(x ) =7 + cos (5x+3) for x E R then the period of f is

A

`2pi`

B

`pi`

C

`(pi)/(5)`

D

`(2pi)/(5)`

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AAKASH SERIES-PERIODICITY EXTREME VALUES AND GRAPHS -EXERCISE-I
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