Question

plz answer this guys​

Answer 1

Answer:

3rd one is the correct answer

Answer 2

Answer:

$\huge \bold \ \leqslant answer \geqslant$

THE CORRECT ANSWER IS :

3.

$(m - n \div n)cos \alpha$

hope this answer helps you ✌✌❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣❣