If cos \(\theta\) = \(\frac{\text{x}}{\text{y}}\), find tan \(\theta\) in terms of x and y
Given that \(P = \begin{pmatrix} 1 & 3 \\ 2 & -5 \end{pmatrix}\) and Q = \(\begin{pmatrix} 3 & -7 \\ 1 & 2 \end{pmatrix}\) . Find P + 2Q
The figure above is a pie chart. Use it to find in degrees those who are doctors
In the Venn diagram above, the shaded region is
The table above shows the weights of twelve mathematics students. Find the modal weight.