Question Simplify the expression −cos(180e2grs) Evaluate −cos(180gre×es)Solution More Steps Evaluate 180gre×esMultiply the terms More Steps Evaluate e×eMultiply the terms with the same base by adding their exponents e1+1Add the numbers e2 180gre2sMultiply the numbers 180e2grs −cos(180e2grs) Show Solution