Answer to Question #344395 in Trigonometry for Jeny

Question

If A=15° and c=37, find a.

Answer 1

Right triangle

$$\sin A=\dfrac{a}{c}$$

$$a=c\sin A=37\sin 15\degree$$

$$=\dfrac{37(\sqrt{6}-\sqrt{2})}{4}\approx9.5763$$