Question Simplify the expression −efotav2rcos(2t) Evaluate rivativeofcos(2t)Multiply the terms riv2atieofcos(2t)Use the commutative property to reorder the terms irv2atieofcos(2t)Multiply the numbers More Steps Evaluate i×iMultiply i2Use i2=−1 to transform the expression 1×(−1)Calculate −1 −rv2ateofcos(2t)Use the commutative property to reorder the terms −erv2atofcos(2t)Solution −efotav2rcos(2t) Show Solution
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