Question-206557

Question Number 206557 by luciferit last updated on 18/Apr/24

Answered by Frix last updated on 18/Apr/24

Without substitution :

\int \frac{3 + {2 \sin}^{2} x}{\cos^{2} x} d x = \int (\frac{5}{\cos^{2} x} - 2) d x =

= 5 \tan x - 2 x + C

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