This is b part of 1st que pls tell from where this 1/3 and all sort of term in bracket came
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In this i understood from where this 3sinwt came bcz if we differentiate sin^3wt that is equal to 3sinwt so we get in bracket (3sinwt-sinwt) and it is multiplied by 3 and diwided by 3 so it takes the form 1/3(3sinwt-sin3wt) so this is how we get the term which is in bracket
shreyamahajan:
aagya
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