Question 1189910


 determine all values of {{{x}}} in the interval [{{{0}}},{{{2pi}}}]

a) 

{{{cot(x)=8 }}}

{{{x=cot^-1(8 )}}}

{{{x=7.125}}}°

all values of {{{x}}} in the interval [{{{0}}},{{{2pi}}}]: 

{{{x=7.125}}}°, {{{x=187.125}}}°


b)
 
{{{csc(x)=-3 }}}

{{{x=csc^-1(-3 )}}}

{{{x=-19.47}}}°

all values of{{{ x}}} in the interval [{{{0}}},{{{2pi}}}]:

{{{x=360-19.47}}}°
{{{x=340.53}}}°


c) 

{{{sec(x)=7}}}

{{{x=sec^-1(7)}}}

{{{x=81.79}}}

all values of {{{x}}} in the interval °[{{{0}}},{{{2pi}}}]:

{{{x=81.79}}}°

{{{x=360-81.79=278.21}}}°