Question

step by step explanation plsssss​

Answer 1

Answer:

cos is not less than 80 dec.

Answer 2

Answer:

$3\sqrt{3} -2$

Step-by-step explanation:

$\sqrt{3}+2\sqrt{3}+2/1/2+1/2\\3\sqrt{3}+2/1\\3\sqrt{3}+2$