Question

integrate -1/3 cos3x​

Answer 1

Answer:

To integrate cos^3x, also written as ∫cos3x dx, cos cubed x, cos^3(x), and (cos x)^3, we start by using standard trig identities to simplify the integral. ... We can now eliminate the cos squared term by substitution of the rearranged trig identity. Hence, we get this new expression. Let u = sinx.

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Answer 2

Answer:

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