103. $\int \frac{3-2 \cot^{2} x}{\cos ^{2} x} d x$.
Solution. $\int \frac{3-2 \operatorname{ctg}^{2} x}{\cos ^{2} x} d x=\int\left(\frac{3}{\cos ^{2} x}-\frac{2}{\sin ^{2} x}\right) d x=3 \operatorname{tg} x+2 \operatorname{ctg} x+$ $+C$.