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intcottheta cosec^7theta d theta |
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Answer» SOLUTION :`intcottheta cosec^7theta d THETA` =`intcosec^6theta.(cosectheta.cottheta)d theta` [PUT `sectheta=t` Then `cosectheta.cottheta d theta=DT`] =`intt^6(-dt)=-1/7t^7+C=-1/7cosec^7theta+C` |
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