"integral"{cos(2x)/[cos^2(x)*sin^2(x)]}*dx Full-length solution for this would be really helpful!
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Expand cos(2x) to get it in terms of angle x instead of 2x Use the substitution and make use of
u = cos^2(x) or u = cos (x) ?
Hello, yugimutoshung! Note that: . Also that: . The denominator becomes: . The integral becomes: . Let Substitute: . Back-substitute: .
Beautifully done, Soroban! Thanks!
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