F(x) = cosec x হলে-

i. F(x) dx = ln|cosec(x) + cot x| + c

ii. F(x) dx = ln|tan(x/2)| + c 

iii.  F(x) dx = - ln|co sec(x) + cot x| + c

নিচের কোনটি সঠিক?

Created: 4 months ago | Updated: 3 months ago

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