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Grade: 11
        Find the time period of the following given function with explanation.
one year ago

Answers : (1)

Khimraj
3008 Points
							
First method is to reduce this expression by applying trignometric formula and then calculate time period.
Second method is -
Time period of sinwt = 2π/w
Time period of cos2wt = 2π/2w
Time period of sin4wt = 2π/4w
So time period of sinwt + cos2wt + sin4wt = (LCM of numerators)/(HCF of denominators)
= (LCM of 2π, 2π, 2π)/(HCF of w, 2w, 4w) = 2π/w.
 
Hope it clears.
one year ago
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