Question

$\frac{4 \sin( \alpha ) - \cos( \alpha ) }{8 \cos( \alpha ) + 4 \sin( \alpha ) }$

Answer 1

Cosa*(4tga-1) . . . .4tga-1. . . . 4*3-1
--------------------- = ------------- = ---------- =
Cosa*(8+4tga) . . . 8+4tga. . . 8+4*3

= 11/20=0.55