যোজিত ফল নির্ণয় কর : $\int \frac{d x}{1 + s i n x}$

Created: 1 year ago | Updated: 1 year ago

Updated: 1 year ago

$\int \frac{dx}{1 + s i n x} = \int \frac{1 - s i n x}{1 - s i n^{2} x} dx$

$= \int s e c^{2} x (1 - s i n x) dx$

$= \int s e c^{2} x dx - \int t a n x s e c x dx$

$= t a n x - s e c x + C (Ans)$

1 year ago

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