1.Aflati masura redusa a arcelor cu masura de :
[tex] \frac{17 \pi }{5} [/tex]
[tex]a) \frac{17 \pi }{5}
b)\frac{25 \pi }{12}
c)-\frac{ \pi }{3}
d)- \frac{2 \pi }{3} [/tex]
e) 2010 grade
f)-15 grade
h)-90 de grade