SOLUTION: Evaluate the following expression. Then write the final answer in degrees. arccos(√3/2) A.) {{{ 30 }}} B.) {{{ 45 }}} C.) {{{ 60 }}} D.) {{{ 75 }}} Thanks.

Algebra ->  Test -> SOLUTION: Evaluate the following expression. Then write the final answer in degrees. arccos(√3/2) A.) {{{ 30 }}} B.) {{{ 45 }}} C.) {{{ 60 }}} D.) {{{ 75 }}} Thanks.      Log On


   

Question 1062140: Evaluate the following expression. Then write the final answer in degrees.
arccos(√3/2)
A.) +30+
B.) +45+
C.) +60+
D.) +75+
Thanks.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
That is asking where the cosine is sqrt(3)/2
That is at 30 degrees. A
At 45 degrees, it is sqrt(2)/2
At 60 degrees, it is 1/2
At 75 degrees, it is just over 1/4.