Question Simplify the expression cos(90e2grs) Evaluate cos(−(90gre×es))Multiply More Steps Multiply the terms 90gre×esMultiply the terms More Steps Evaluate e×eMultiply the terms with the same base by adding their exponents e1+1Add the numbers e2 90gre2sMultiply the numbers 90e2grs cos(−90e2grs)Solution cos(90e2grs) Show Solution
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