if period of function
cos(nx).sin(5x/n) is 3 pi, then number of integral values of n are ?
SUBHADEEP ROY , 12 Years ago
Grade 12th pass
Differential Calculus> periodic-functions...
1 AnswersArun Kumar
cos(n(x+3pi)(sin(5/n(x+3pi)=
cos(nx).sin(5x/n)
=> if n is odd both will be equal if 15pi/n is integer => 1,3,5,15
=> if n is odd both will be equal if 15pi/n is integer => 1,3,5,15
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