Question

Sa se calculeze:
Daca sin x =$\frac{1}{2}$ si x apartine(0grade,90grade),calculati cosx,tgx si ctgx

Answer 1

Răspuns:

$\sin(x) = \frac{1}{2} = > x = 30$

si x apartine cadranului 1 rezulta

$\cos(x) = \frac{ \sqrt{3} }{2}$

$\tan(x) = \frac{ \sqrt{3} }{3}$

$\cot(x) = \sqrt{3}$