Question

Please help me!!! Only if you really know the answer

Answer 1

`1. \tan 11^(\circ)=(y)/(20) \implies y=20 \tan 11^(\circ)\\\\2. \sin 23^(\circ)=(a)/(15) \implies a=15 \sin 23^(\circ)\\\\3. \cos 37^(\circ)=(b)/(8) \implies b=8 \cos 37^(\circ)`