Solve: $$\cos(x) = i$$ Format: [fraction] - i ln([term])
Calculate the principal value for: $$\sin(x) = 2$$ Format: X/Y - i*Z
Calculate the exact number of trailing zeros in the decimal representation of $100!$ (100 …
Evaluate the exact sum of the infinite series: $$\sum_{n=1}^{\infty} \frac{1}{n^2}$$ Format: pi^2/X
Determine the least non-negative residue of $16! \pmod{17}$.