$46.8\cdot90.4$
$\sqrt{\cos\left(2x\right)}+3=2$
$\int e^{2x}\cos\left(bx\right)dx$
$\left(-12\right)+\left(-11\right)+\left(+10\right)-\left(-3\right)$
$x^2\left(1-y\right)+y^2\left(1-y\right)$
$\int\left(\frac{\sin\left(2\cdot x\right)}{4\cdot\sin\left(x\right)^2+5\cdot\cos\left(x\right)^2}\right)dx$
$\frac{COS^2\theta\:\:\:}{COT\frac{\theta\:\:\:}{2}-tan\frac{\theta\:\:\:}{2}}=\frac{1}{4}sin\left(2\theta\:\right)$
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