Differentiate the function:
-5 tanx + 4 tanxcosx - 3 cotxsecx + 2 secx - 13
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Step-by-step explanation:
=-5tanx + 4tanx cosx - 3cotx secx - 2secx -13
= - sec^2x + 4( -tanx sinx + cosx sec＾2x ) - 3 ( cotx.secxtanx - cosec^2x secx ) - secx tanx
= - sec^2x - 4tanxsinx - 4cosxsec^2x -3cotx - 3secxtanx - 3secxcosec^2x - secx tanx
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