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atan-tan

atan((1+0.5)^0.5*tan(...

Calculate

atan-plot2d-sqrt
plot2d([(sqrt(25-x^2)),(atan(2*x))],[x,-6,6],[y,-5,5]);

plot2d([(sqrt(25-x^2)...

Calculate

atan-logarc-logcontract-ratsimp-rhs-tan-trigsimp

mf:1=tan(atan(1/2)+at...

trigsimp(rhs(mf));

logarc(rhs(mf));

Calculate

atan-plot2d
plot2d(atan(x),[x,-2,2]);

plot2d(atan(x),[x,-2,...

Calculate

atan-tan

atan(1/1.44);

Calculate

atan-pi-solve

eq1:atan(x)- x =pi;

solve(eq1,x);

Calculate

atan-diff

f:(atan(x)+(1-x)/(1+x...

df:diff(f,x);

df2:diff(f,x,2);

Calculate

atan-tan

atan(-1.125);

Calculate

atan-cot-integrate

integrate((2*A/PI*ata...

Calculate

atan

Run Example
(%i1)qe:1.6E-19;
(%o1)                       1.5999999999999999E-19
(%i2) E:1E+4;
(%o2)                               10000.0
(%i3) me:1.67E-27;
(%o3)                       1.6700000000000002E-27
(%i4) d:0.04;
(%o4)                                0.04
(%i5) D:0.10;
(%o5)                                 0.1
(%i6) vox:2.8E+7;
(%o6)                               2.8E+7
(%i7) a:qe*E/me;
(%o7)                       9.5808383233532922E+11
(%i8) t:d/vox;
(%o8)                        1.4285714285714286E-9
(%i9) y:0.5*a*(d/vox)^2;
(%o9)                        9.7763656360747883E-7
(%i10) vx:vox;
(%o10)                              2.8E+7
(%i11) vy:a*d/vox;
(%o11)                         1368.69118905047
(%i12) phi:atan(vy/vx)*180/3.141592654;
(%o12)                        0.0028007224470227
(%i13) h:D*vy/vx;
(%o13)                       4.8881828180373942E-6
(%i14) H:y+h;
(%o14)                       5.865819381644873E-6
(%i15) 
Run Example
rt:tan(atan(1/2)+atan(1/3))=1;
                                   1         1
(%o1)                     tan(atan(-) + atan(-)) = 1
                                   2         3
(%i2) trigsimp(lhs(rt));
                                     1         1
                            sin(atan(-) + atan(-))
                                     2         3
(%o2)                       ----------------------
                                     1         1
                            cos(atan(-) + atan(-))
                                     2         3
(%i3)  logarc(lhs(rt));
                    %i                %i             %i                %i
            %i (log(-- + 1) - log(1 - --))   %i (log(-- + 1) - log(1 - --))
                    2                 2              3                 3
(%o3) - tan(------------------------------ + ------------------------------)
                          2                                2
(%i4) ratsimp(%);
(%o4)             
Run Example
th: atan(.113/114.014);
(%o1)                        9.9110603084150823E-4
(%i2) rot1: matrix([cos(th),-sin(th)],[sin(th),cos(th)]);
              [   0.99999950885446     - 9.9110586858239995E-4 ]
(%o2)         [                                                ]
              [ 9.9110586858239995E-4     0.99999950885446     ]
(%i3) v1: matrix([-17.889],[-.065]);
                                 [ - 17.889 ]
(%o3)                            [          ]
                                 [ - 0.065  ]
(%i4) v2: matrix([-18.013],[13.957]);
                                 [ - 18.013 ]
(%o4)                            [          ]
                                 [  13.957  ]
(%i5) v3: matrix([-.113],[14.014]);
                                  [ - 0.113 ]
(%o5)                             [         ]
                                  [ 14.014  ]
(%i6) v1p: rot1.v1;
                            [ - 17.88892679201594 ]
(%o6)                       [                     ]
                            [ - 0.08272986095861  ]
(%i7) v2p: rot1.v2;
                            [ - 18.02682401760316 ]
(%o7)                       [                     ]
                            [  13.9391403550709   ]
(%i8) v3p: rot1.v3;
                            [ - 0.12688930214287 ]
(%o8)                       [                    ]
                            [ 14.01388112212322  ]
(%i9) 

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