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Substitution rule. Evaluate ∫sec(1-z)tan(1-z)dz
in Math by cadet engr (125 points) | 14 views

1 Answer

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u = 1-z
du = (-1) dz

= ∫sec(1-z)tan(1-z)dz
= -∫sec(u)tan(u)du
= -sec(u)+c
=-sec(1-z)+c
by cadet engr (125 points)

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