The Anti-Derivative of 2cos³(3x)

In this video, we solve step by step the anti-derivative of 2cos³(3x). Using trigonometric identities and substitution, we simplify the integral and arrive at the final result:
Integral of 2cos³(3x) dx = (2/3)sin(3x) – (2/9)sin³(3x) + C
This lesson will help you understand how to integrate trigonometric functions with higher powers, especially when substitution and identities are involved. Perfect for high school, college, and exam preparation (WAEC, NECO, JAMB, GCSE, or university calculus).
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Видео The Anti-Derivative of 2cos³(3x) канала Tambuwal Maths Class