### Related

##### csc-depends-hessian-tan

hessian (w+2*h*csc(t)...

depends (F, [a, b]);

hessian (F, [a, b]);

Calculate

? csc;

Calculate

##### csc-plot2d

plot2d(csc(x),[x,-1.5...

Calculate

##### csc-residue

residue (s/(s**2+a**2...

residue (csc(pi*(z-1...

Calculate

##### csc-depends-hessian-tan

hessian (x+2*y*csc(z)...

depends (F, [a, b,c]);

hessian (F, [a, b,c]);

Calculate

##### csc-plot2d

plot2d([csc(x)], [x,-...

Calculate

##### csc-plot2d

plot2d (csc(x), [x,-5...

Calculate

##### csc-plot2d

plot2d([csc(x)],[x,-5...

Calculate

##### csc-float-powerdisp-sec-true

"*"/* Beispiele aus h...

powerdisp:true;

float(1/3);

Calculate

##### csc-plot2d

plot2d(csc(x),[x,0,5]);

Calculate

### csc

Run Example
```(%i1)z(x):=((sec(x)^2+sin(x)^2-tan(x)^2)^2-cos(x)^4)/((csc(x)^2+cos(x)^2-cot(x)^2)^2-sin(x)^4);
2         2         2    2      4
(sec (x) + sin (x) - tan (x))  - cos (x)
(%o1)          z(x) := ----------------------------------------
2         2         2    2      4
(csc (x) + cos (x) - cot (x))  - sin (x)
(%i2) z(%pi/6);
1
(%o2)                                  -
3
(%i3) ```
Run Example
```integrate((csc(x)*cot(x)),x);
1
(%o1)                              - ------
sin(x)
(%i2) ```
Run Example
```hessian (x+2*y*csc(z)+L(-y/2*(2*x+(2*y)/tan(z))), [x, y, z]);
[               2 y             ]
[   2       y (------ + 2 x)    ]
[  d           tan(z)           ]
[  --- (L(- ----------------))  ]
[    2             2            ]
[  dx                           ]
[                               ]
[                2 y            ]
(%o1)  Col 1 = [   2        y (------ + 2 x)   ]
[  d            tan(z)          ]
[ ----- (L(- ----------------)) ]
[ dx dy             2           ]
[                               ]
[                2 y            ]
[   2        y (------ + 2 x)   ]
[  d            tan(z)          ]
[ ----- (L(- ----------------)) ]
[ dx dz             2           ]
[                         2 y                     ]
[            2        y (------ + 2 x)            ]
[           d            tan(z)                   ]
[          ----- (L(- ----------------))          ]
[          dx dy             2                    ]
[                                                 ]
[                        2 y                      ]
[            2       y (------ + 2 x)             ]
Col 2 = [           d           tan(z)                    ]
[           --- (L(- ----------------))           ]
[             2             2                     ]
[           dy                                    ]
[                                                 ]
[                2 y                              ]
[   2        y (------ + 2 x)                     ]
[  d            tan(z)                            ]
[ ----- (L(- ----------------)) - 2 cot(z) csc(z) ]
[ dy dz             2                             ]
[                                2 y                             ]
[                   2        y (------ + 2 x)                    ]
[                  d            tan(z)                           ]
[                 ----- (L(- ----------------))                  ]
[                 dx dz             2                            ]
[                                                                ]
[                       2 y                                      ]
[          2        y (------ + 2 x)                             ]
Col 3 = [         d            tan(z)                                    ]
[        ----- (L(- ----------------)) - 2 cot(z) csc(z)         ]
[        dy dz             2                                     ]
[                                                                ]
[              2 y                                               ]
[  2       y (------ + 2 x)                                      ]
[ d           tan(z)                   3             2           ]
[ --- (L(- ----------------)) + 2 y csc (z) + 2 y cot (z) csc(z) ]
[   2             2                                              ]
[ dz                                                             ]
(%i2)  depends (F, [a, b,c]);
(%o2)                            [F(a, b, c)]
(%i3)  hessian (F, [a, b,c]);
[   2      2      2   ]
[  d F    d F    d F  ]
[  ---   -----  ----- ]
[    2   da db  da dc ]
[  da                 ]
[                     ]
[   2      2      2   ]
[  d F    d F    d F  ]
(%o3)                       [ -----   ---   ----- ]
[ da db     2   db dc ]
[         db          ]
[                     ]
[   2      2      2   ]
[  d F    d F    d F  ]
[ -----  -----   ---  ]
[ da dc  db dc     2  ]
[                dc   ]
(%i4) ```

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