Page 90 - 6637
P. 90

d
                                    2
                      tan x = sec x
                  dx

                   d
                      csc x = − csc x cot x
                  dx


                   d
                      sec x = sec x tan x
                  dx


                   d
                                      2
                      cot x = − csc x
                  dx

                   d                    1              π                  π
                      arcsin x = √            ,     −     ≤ arcsin x ≤
                  dx                  1 − x 2          2                  2


                   d                      1
                      arccos x = −√             ,      0 ≤ arccos x ≤ π
                  dx                    1 − x  2


                   d                   1             π                   π
                      arctan x =            ,      −    ≤ arctan x ≤
                  dx                1 + x 2          2                   2


                   d
                      sinh x = cosh x
                  dx


                   d
                      cosh x = sinh x
                  dx

                   d                   2
                      tanh x = sech x
                  dx

                   d
                      csch x = − csch x coth x
                  dx

                   d
                      sech x = − sech x tanh x
                  dx

                   d
                                         2
                      coth x = − csch x
                  dx

                   d                     1
                      arcsinh x = √
                                         2
                  dx                   x + 1

                   d                     1
                      arccosh x = √            ,      x > 1, arccosh x > 0
                                         2
                  dx                    x − 1


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