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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-10-06 UTC."],[[["\u003cp\u003e\u003ccode\u003eArray.tan()\u003c/code\u003e calculates the tangent of each element in an input array, with the input values expected to be in radians.\u003c/p\u003e\n"],["\u003cp\u003eThe function returns a new array containing the calculated tangent values for each corresponding element of the input array.\u003c/p\u003e\n"],["\u003cp\u003eUsage examples are provided in JavaScript, Python, and Colab, demonstrating how to apply \u003ccode\u003eArray.tan()\u003c/code\u003e and visualize the results.\u003c/p\u003e\n"]]],["The `Array.tan()` function computes the tangent of an input array element-wise, with values in radians. The function takes an array as input and returns a new array containing the tangent of each element. Examples demonstrate the use of `tan()` with different inputs, including `-π/4`, `0`, and `π/4`. Additionally, the examples illustrate how to generate a range of values and visualize the tangent function using a chart.\n"],null,["# ee.Array.tan\n\nOn an element-wise basis, computes the tangent of the input in radians.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------|---------|\n| Array.tan`()` | Array |\n\n| Argument | Type | Details |\n|---------------|-------|------------------|\n| this: `input` | Array | The input array. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nvar π = Math.PI;\nprint(ee.Array([-π / 4]).tan()); // [Almost -1]\nprint(ee.Array([0]).tan()); // [0]\nprint(ee.Array([π / 4]).tan()); // [Almost 1]\n\nvar start = -π / 3;\nvar end = π / 3;\nvar points = ee.Array(ee.List.sequence(start, end, null, 50));\nvar values = points.tan();\n\n// Plot tan() defined above.\nvar chart = ui.Chart.array.values(values, 0, points)\n .setOptions({\n viewWindow: {min: start, max: end},\n hAxis: {\n title: 'x',\n viewWindowMode: 'maximized',\n ticks: [\n {v: start, f: '-π / 3'},\n {v: 0, f: 0},\n {v: end, f: 'π / 3'}]\n },\n vAxis: {\n title: 'tan(x)',\n ticks: [\n {v: -Math.sqrt(3), f: '-√3'},\n {v: 0},\n {v: Math.sqrt(3), f: '√3'}]\n },\n lineWidth: 1,\n pointSize: 0,\n });\nprint(chart);\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\nimport math\nimport altair as alt\nimport pandas as pd\n\nπ = math.pi\ndisplay(ee.Array([-π / 4]).tan()) # [Almost -1]\ndisplay(ee.Array([0]).tan()) # [0]\ndisplay(ee.Array([π / 4]).tan()) # [Almost 1]\n\nstart = -π / 3\nend = π / 3\npoints = ee.Array(ee.List.sequence(start, end, None, 50))\nvalues = points.tan()\n\ndf = pd.DataFrame({'x': points.getInfo(), 'tan(x)': values.getInfo()})\n\n# Plot tan() defined above.\nalt.Chart(df).mark_line().encode(\n x=alt.X('x', axis=alt.Axis(values=[start, 0, end])),\n y=alt.Y('tan(x)', axis=alt.Axis(values=[-math.sqrt(3), 0, math.sqrt(3)]))\n)\n```"]]