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6 1-coxx + 1-tan x = (sec x cosec x + 1) |
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Answer» tanx/1−cotx+cotx/1−tanx=tan^2x/tanx−1+1/tanx(1−tanx =tan^3x−1/tanx(tanx−1) =tan^2x+tanx+1/tanx= =1+sec^2x⋅cosx/sinx= =1+secx⋅cscx= |
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