Question

pls answer the question​

Answer 1

Answer:

$\frac{1}{2}$

Step-by-step explanation:

$\tan( \alpha ) = \frac{3}{4}$

taking cos alpha as common,

$= \frac{4 \tan( \alpha ) - 1}{4 \tan( \alpha ) + 1}$

$= \frac{3 - 1}{3 + 1}$

$= \frac{2}{4} = \frac{1}{2}$