Question

Exercitiul numarul 3 va rog

Answer 1

$sin30= \frac{1}{2};cos30= \frac{ \sqrt{3} }{2};tg30= \frac{1}{ \sqrt{3} };ctg30= \sqrt{3} \\ sin45=cos45= \frac{ \sqrt{2} }{2} ;tg45=ctg45=1 \\ sin60= \frac{ \sqrt{3} }{2};cos60= \frac{1}{2};tg60= \sqrt{3} ;ctg60= \frac{1}{ \sqrt{3} }$