SOLUTION: Convert to rectangular: {{{ r=4}}}secΘ A.) {{{ y=2 }}} B.) {{{y=4 }}} C.) {{{x=2}}} D.) {{{x=4}}}

Algebra ->  Trigonometry-basics -> SOLUTION: Convert to rectangular: {{{ r=4}}}secΘ A.) {{{ y=2 }}} B.) {{{y=4 }}} C.) {{{x=2}}} D.) {{{x=4}}}      Log On


   

Question 1079675: Convert to rectangular: +r=4secΘ
A.) +y=2+
B.) y=4+
C.) x=2
D.) x=4
Answer by Edwin McCravy(20064) About Me  (Show Source):
You can put this solution on YOUR website!
Draw this picture:



r=4sec%28theta%29

r=4%2Aexpr%28hypotenuse%2F%28adjacent%29%29

r=4%2Aexpr%28r%2Fx%29

Multiply both sides by x

xr=4r

Divide both sides by r

x=4

Edwin