Please help Solve for 0 degree lessthanorequalto theta Solut

Please help

Solve for 0 degree lessthanorequalto theta

8)cos=-3_/2

=150^o, 210^o

9)0^o<=<360^o

0^o<=_/2<180^o

tan(_/2) -3 =0

tan(_/2) =3

(_/2)=60^o

=120^o

Please help Solve for 0 degree lessthanorequalto theta Solution8)cos=-3/2 =150o, 210o 9)0o<=<360o 0o<=/2<180o tan(/2) -3 =0 tan(/2) =3 (/2)=60o =120

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