// Numbas version: exam_results_page_options {"name": "Finding multipe solutions of sin(x)= (in degrees 0 to 360) WORKING", "extensions": ["jsxgraph"], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Finding multipe solutions of sin(x)= (in degrees 0 to 360) WORKING", "tags": [], "metadata": {"description": "

Given the original formula the student enters the transformed formula

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{eqnline(a,b,x2,y2,v,sin0)}

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The graph  shows the functions, $y=sin(x^{\\circ})$  and $y=\\var{sin0}$

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\n\n// create the x-axis.\nvar xaxis = board.create('axis',[[0,0],[1,0]], {strokeColor: 'black', fixed: true,\n name:'x', \n\t\t\t\n withLabel: true, \n\t\t\tlabel: {position: 'rt', // possible values are 'lft', 'rt', 'top', 'bot'\n\t\t\t\t\t offset: [-15, 20] // (in pixels)\n\t\t\t\t\t }\n\n});\nxaxis.removeAllTicks();\nvar xticks = board.create('ticks',[xaxis,60],{\n\n drawLabels: true,\n label: {offset: [-10, -20]},\n minorTicks: 0\n});\n\n\n// create the line y= value which is sin0.\n\n\nboard.create('line',[[x_min,sin0],[x_max,sin0]],{strokeColor:'red',\n //name:'y=sin0', \n name:sin0,\n\t\t\t\n withLabel: true, \n\t\t\tlabel: {position: 'lft', // possible values are 'lft', 'rt', 'top', 'bot'\n\t\t\t\t\t offset: [+25, 10] // (in pixels)\n\t\t\t\t\t }\n\n});\n\n// create the y-axis\n\nvar yaxis = board.create('axis',[[0,0],[0,1]], { strokeColor: 'black', fixed: true,\n name:'sin(x)', \n\t\t\t\n withLabel: true, \n\t\t\tlabel: {position: 'top', // possible values are 'lft', 'rt', 'top', 'bot'\n\t\t\t\t\t offset: [-45, 240] // (in pixels)\n\t\t\t\t\t }\n\n});\n\n\nyaxis.removeAllTicks();\nvar yticks = board.create('ticks',[yaxis,1],{\ndrawLabels: true,\nlabel: {offset: [-20, 0]},\nminorTicks: 0\n});\n\n\n // PUT YOUR FUNCTION HERE\n\n// sin (x) in degrees\nboard.create('functiongraph',[function(x){ return Math.sin(x*(Math.PI/180));},x_min,x_max]);\n//board.create('functiongraph',[function(x){ return Math.sin(x*(Math.PI/180))+v;},-360,360],{ strokeColor: 'red'});\n//board.create('functiongraph',[function(x){ return Math.sin(x*(Math.PI/180))-(v+1);},-360,360],{ strokeColor: 'black'});\n//Change axis range from -360 tp +360 y from -8 to +8 \n\n//board.create('functiongraph',[function(x){ return Math.exp(x);},x_min,x_max]);\n//board.create('functiongraph',[function(x){ return Math.log(x);},x_min,x_max]);\n//board.create('functiongraph',[function(x){ return (x);},x_min,x_max]);\n\n\n//board.create('functiongraph',[function(x){ return (x-a)*(x-b);},-8,8]);\n//board.create('functiongraph',[function(x){ return (x-a)*(x-b)+v;},-8,8],{ strokeColor: 'red'});\n\n//board.create('functiongraph',[function(x){ return x*x;},-8,8]);\n//board.create('functiongraph',[function(x){ return x*x+v;},-8,8],{ strokeColor: 'red'});\n//board.create('functiongraph',[function(x){ return x*x-(v+1);},-8,8],{ strokeColor: 'black'});\n\n\n//board.create('functiongraph',[function(x){ return x*x;},-8,8]);\n//board.create('functiongraph',[function(x){ return (x-v)*(x-v);},-8,8],{ strokeColor: 'red'});\n//board.create('functiongraph',[function(x){ return (x+v+1)*(x+v+1);},-8,8],{ strokeColor: 'black'});\n\n//board.create('functiongraph',[function(x){ return x*x;},-8,8]);\n//board.create('functiongraph',[function(x){ return v*(x)*(x);},-8,8],{ strokeColor: 'red'});\n//board.create('functiongraph',[function(x){ return (1/v)*(x)*(x);},-8,8],{ strokeColor: 'black'});\n\n//board.create('functiongraph',[function(x){ return (x)*(x)+v;},-8,8]);\n//board.create('functiongraph',[function(x){ return -((x)*(x)+v);},-8,8],{ strokeColor: 'red'});\n//board.create('functiongraph',[function(x){ return -(x)*(x);},-8,8],{ strokeColor: 'black'});\n\n\n\n\n\n\nreturn div;"}}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "

Calulate the solutions to the equation $sin(x^{\\circ})=\\var{sin0}$  in the range $0^{\\circ} \\leqslant x^{\\circ} \\leqslant 360^{\\circ}$

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Give your values of $x$ in assending order to 2 decimal places.

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The smallest value is $x=\\;$  [[0]]

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The largest value is $x=\\;$ [[1]]

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