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Find period of f(x)=tan3x+sin(x/3) .

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Solution: Period for tan3x is left | pi /3 
ight |.

       period for sin(x/3) is left | 2pi 	imes 3/1 
ight |=left | 6pi 
ight |

 Thus,               LCM of pi /3 and 6piRightarrow 6pi /1

Thus , f(x) is periodic with period 6pi.

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Deependra Verma

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