1. Convert Online⇨
2. Mathematics⇨
3. Trigonometry⇨
4. Calculate Cosine

{
  "topic": "cos",
  "function": "cos",
  "function_desc": "Cosine",
  "x_symbol": "θ",
  "x_desc": "angle",
  "category": "Trigonometry",
  "formula": "cos(θ) = (Length of Adjacent side) / (Length of Hypotenuse)",
  "formula_in_js": "Math.cos(θ)",
  "description": "In a right angled triangle, Cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.",
  "template": "trigonometry_function"
}