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• 7 Sigma notation for sum of $\ln(x)^2$ from $2$ to $20$ with steps of $0.5$
• 6 Prove by induction that $\sum _{r=1}^n \cos((2r-1)\theta) = \frac{\sin(2n\theta)}{2\sin\theta}$ is true $\forall \ n \in \mathbb{Z^+}$
• 6 Integral of $\int\frac{\sin x}{\sin x+\cos x}dx$
• 5 Evaluate $\sum_{r=2}^{\infty} \frac{2-r}{r(r+1)(r+2)}$
• 5 Sum of two infinite complex geometric sums
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