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int(2cosx)/(1-cos^2x)dx |
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Answer» SOLUTION :`INT(2cosx)/(1-cos^2x)dx=2intcosx/(sin^2x)dx` `2int(1)/sinx xxcosx/sin^2xdx` =`2intcosecx XX cotxdx` =`-2cosecx+C` |
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