if P=sintsin(t+pi/3) then find average value ofP over the interval t=0 to t=2pi.
somy chaturvedi , 13 Years ago
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IIT JEE Entrance Exam> please solve...
1 Answers
Chetan Mandayam Nayakar
Last Activity: 13 Years ago
sintsin(t+pi/3)= (1/2)(cos(pi/3)-cos(2t+pi/3)), period of cos(2t+pi/3) is pi, therefore average value of cos(2t+pi/3)=zero,
thus average value of p=(1/2)cos(pi/3)=1/4
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