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A: Please see the below picture for detailed solution.
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- tan( tan3x) dx Evaluate: cos²3x A - In|sec(tan3x)| +C A В - In cos( tan3x)|+C со © In cos( tan3x)|+c D In|sec ( tan3x)|+C E None4. IS SEC2 (D) = TAN2 (D) - I COS2 (D) + SIN2 (D)]? WHY?tan (tan3x) dx Evaluate: cos?3x A 3 -In|sec (tan3x)|+C B 3 - In|cos( tan3x) © In|cos(tan3x)|+C O In/sec (tan3x)|+c E None