SOLUTION: Evaluate this expression to degrees. arc-cos(π/2) A.) {{{ 30 }}} B.) {{{ 45 }}} C.) {{{ 60 }}} D.) {{{ 75 }}}

Algebra ->  Test -> SOLUTION: Evaluate this expression to degrees. arc-cos(π/2) A.) {{{ 30 }}} B.) {{{ 45 }}} C.) {{{ 60 }}} D.) {{{ 75 }}}       Log On


   

Question 1062086: Evaluate this expression to degrees.
arc-cos(π/2)
A.) +30+
B.) +45+
C.) +60+
D.) +75+
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate this expression to degrees.
arc-cos(π/2)
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pi/2 is > 1.
There is no real number solution.
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Why do you keep posting silly problems?