Chapter 9: Problem 1
In \(\triangle \mathrm{CDE}, D\) is a right angle. The lengths of \(\mathrm{CD}, \mathrm{DE}\) and \(\mathrm{CE}\) are \(\alpha, \beta\) and \(\gamma\) respectively. State (a) \(\sin C\) (b) \(\cos C\) (c) \(\tan C\) (d) \(\sin E\) (e) \(\tan E(\) f) \(\cos E\)