<?xml version="1.0" encoding="UTF-8" standalone="no"?><Modellus><Main AutoPlay="0" DecimalPlaces="2" Degrees="0" Independent="t" Max="10.0" Min="-10.0" Password="" Protected="0" ShowCases="1" Step="0.05"/><Editor Height="65" LocationX="0" LocationY="0" Minimized="0" Width="170"><Line Text="y=a*cos(t)"/></Editor><Animator ShowGrid="0"><Grid Spacing="1"><Color Alpha="255" Blue="192" Green="192" Red="192"/></Grid></Animator><Notes Height="150" LocationX="-1" LocationY="70" Minimized="0" Text="{\rtf1\ansi&#10;{\fonttbl\f0\fnil Monospaced;\f1\fnil Tahoma;}&#10;{\colortbl\red0\green0\blue0;\red21\green25\blue30;}&#10;&#10;\li0\ri0\fi0\f1\fs24\i0\b0\cf1\par&#10;}&#10;" Width="170"/><Chart AutoScale="0" AxisValues="1" EqualScales="0" Height="479" LocationX="177" LocationY="0" MaximumX="11.048317337151634" MaximumY="11.940062112875545" Minimized="0" MinimumX="-11.155582554017181" MinimumY="-12.153277507748323" Points="0" ProjectionLines="1" TangentLines="0" Thickness="3" Values="1" Width="623"><Horizontal IsFixed="0" IsNumber="0" Name="t" Situation="0" Value="-10.0"/><Terms><Vertical1 IsFixed="0" IsNumber="0" Name="y" Situation="0" Value="-0.8390715290764524"/><Color1 Alpha="255" Blue="232" Green="194" Red="83"/><Vertical2 IsFixed="0" IsNumber="0" Name="y" Situation="1" Value="2.517214587229357"/><Color2 Alpha="255" Blue="175" Green="175" Red="255"/><Vertical3 IsFixed="0" IsNumber="0" Name="y" Situation="2" Value="-8.390715290764524"/><Color3 Alpha="255" Blue="0" Green="255" Red="255"/><Vertical4 IsFixed="0" IsNumber="0" Name="y" Situation="3" Value="0.4195357645382262"/><Color4 Alpha="255" Blue="43" Green="50" Red="207"/><Vertical5 IsFixed="0" IsNumber="1" Name="" Situation="0" Value="NaN"/><Color5 Alpha="255" Blue="232" Green="194" Red="83"/></Terms></Chart><Table Height="479" LocationX="809" LocationY="0" Minimized="0" ShowBars="1" Steps="1" Width="296"><Terms><Variable1 IsFixed="0" IsNumber="0" Name="y" Situation="0" Value="-0.8390715290764524"/><Color1 Alpha="255" Blue="232" Green="194" Red="83"/><Variable2 IsFixed="0" IsNumber="0" Name="y" Situation="1" Value="2.517214587229357"/><Color2 Alpha="255" Blue="175" Green="175" Red="255"/><Variable3 IsFixed="0" IsNumber="0" Name="y" Situation="2" Value="-8.390715290764524"/><Color3 Alpha="255" Blue="0" Green="255" Red="255"/><Variable4 IsFixed="0" IsNumber="0" Name="y" Situation="0" Value="-0.8390715290764524"/><Color4 Alpha="255" Blue="43" Green="50" Red="207"/><Variable5 IsFixed="0" IsNumber="1" Name="" Situation="0" Value="NaN"/><Color5 Alpha="255" Blue="232" Green="194" Red="83"/><Variable6 IsFixed="0" IsNumber="1" Name="" Situation="0" Value="NaN"/><Color6 Alpha="255" Blue="232" Green="194" Red="83"/><Variable7 IsFixed="0" IsNumber="1" Name="" Situation="0" Value="NaN"/><Color7 Alpha="255" Blue="232" Green="194" Red="83"/><Variable8 IsFixed="0" IsNumber="1" Name="" Situation="0" Value="NaN"/><Color8 Alpha="255" Blue="232" Green="194" Red="83"/><Variable9 IsFixed="0" IsNumber="1" Name="" Situation="0" Value="NaN"/><Color9 Alpha="255" Blue="232" Green="194" Red="83"/><Variable10 IsFixed="0" IsNumber="1" Name="" Situation="0" Value="NaN"/><Color10 Alpha="255" Blue="232" Green="194" Red="83"/></Terms></Table><Data><Parameters><Term EqualAllCases="0" Name="a"><Situation Value="1.0"/><Situation Value="-3.0"/><Situation Value="10.0"/><Situation Value="-0.5"/><Situation Value="0.0"/><Situation Value="0.0"/><Situation Value="0.0"/><Situation Value="0.0"/><Situation Value="0.0"/><Situation Value="0.0"/></Term></Parameters><InitialConditions/></Data></Modellus>