In right triangle _RST_, the sum of the… | ClassNotes
MM
Mashaal Masha
Feb 29, 2024
In right triangle RST, the sum of the measures of angle $R$ and angle $S$ is 90 degrees. The value of $\sin(R)$ is $\frac{\sqrt{15}}{4}$. What is the value of $\cos(S)$?
