SOLUTION: What is the degree - measure of the least positive angle x such that {{{ log 2 (cosx)=-1/2 }}} (base 2).

Question 1110426: What is the degree - measure of the least positive angle x such that (base 2).
Answer by ikleyn(52925) (Show Source): You can put this solution on YOUR website!
.

 =    <==== is equivalent to  ====>


cos(x) =  =  =    <=== ===>


x = .


Answer.   The least positive angle x such that   =    is  x = ,  or  45 degrees.

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