SOLUTION: Convert to Rectangular: r*tanΘ/secΘ=2 A.) {{{ y=2}}} B.) y=½ C.) {{{x=2}}} D.) x=½

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Question 1079680: Convert to Rectangular: r*tanΘ/secΘ=2
A.) +y=2
B.) y=½
C.) x=2
D.) x=½
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
Draw this picture:



r%2Atan%28theta%29%2Fsec%28theta%29=2

r%2Atan%28theta%29=2sec%28theta%29

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

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

Multiply both sides by x

r%2Ay=2%2Ar

Divide both sides by r

y=2

Edwin