\(\displaystyle \int \sin\!\left(\frac{3x}{4}\right)\,dx=\) ?
\(\displaystyle \int \cos\!\left(\frac{7x}{9}\right)\,dx=\) ?
\(\displaystyle \int \sec^{2}\!\left(\frac{17x}{23}\right)\,dx=\) ?
\(\displaystyle \int 4^{x}\,dx=\) ?
\(\displaystyle \int x\,(4x^{2}-6)\,dx=\) ?
\(\displaystyle \int e^{x}(\cos x-\sin x)\,dx=\) ?
\(\displaystyle \int e^{x}\,(x^{3}+3x^{2})\,dx=\) ?
\(\displaystyle \int e^{x}\!\left(\frac{1}{x}-\frac{1}{x^{2}}\right)\,dx=\) ?
\(3\displaystyle \int \sqrt{x}\,dx=\) ?
\(\displaystyle \int \frac{x+2}{x^{2}-4}\,dx=\) ?
\(\displaystyle \int \frac{3\,dx}{\sqrt{\,1-9x^{2}\,}}=\) ?
\(25\displaystyle \int \sec5x\,\tan5x\,dx=\) ?
\(\displaystyle \int \sec^{2}4x\,dx=\) ?
\(\displaystyle \int \frac{dx}{1+36x^{2}}=\) ?