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`int(1-cosx)/(1+cosx)dx` |
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Answer» `int(1-cosx)/(1+cosx)dx` `=int(2sin^(2).(x)/(2))/(2cos^(2).(x)/(2))dx=int tan^(2).(x)/(2)dx` `=int(sec^(2).(x)/(2)-1)dx` `=(tan.(x)/(2))/((1)/(2))-x+c=2 tan.(x)/(2)-x+c` |
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