Question

find the value of (+75)divided by(-15)​

Answer 1

Answer:

$\frac{3 + 1 - 2 \sqrt{3} }{( \sqrt{3} + 1)( \sqrt{3 - 1)} }$

$\frac{2 - \sqrt{3} }{2}$

$2 - \sqrt{3}$

tan 15°=2-√3