Question

tg х:7 - корень из 3 = 0

Answer 1

$tg frac{x}{7} - sqrt{3} =0 \\ tg frac{x}{7}= sqrt{3} \\ frac{x}{7} = arctg(sqrt{3})+ pi k \\ x=7arctg( sqrt{3})+ pi k \\ arctg( sqrt{3} ) = frac{ pi }{3} => x= frac{ pi }{3} + pi k$