Inverse Trigonometric Functions Calculator

  • Select the inverse trigonometric function you want to calculate from the dropdown menu.
  • Enter a value in the "Enter a value" field.
  • Click the "Calculate" button to calculate the result.
  • The result, detailed calculation, and formula used will be displayed below.
  • Your calculation history will be listed in the "Calculation History" section.
  • Click "Clear" to reset the calculator or "Copy Result" to copy the result to the clipboard.
Calculation Details:

Calculation History:

    Inverse trigonometric functions play a crucial role in mathematics and various scientific disciplines. These functions, also known as arc trigonometric functions, are the inverse operations of the standard trigonometric functions (sine, cosine, tangent, cosecant, secant, and cotangent).

    The Inverse Trigonometric Functions Calculator is a valuable tool that simplifies complex mathematical computations related to these functions.

    Concept of Inverse Trigonometric Functions

    The concept of inverse trigonometric functions revolves around finding an angle when we know the value of a trigonometric function. These functions are employed to solve problems involving angles, making them essential in various fields, including physics, engineering, and computer science.

    The Inverse Trigonometric Functions Calculator serves as a handy device for instantly determining the angle corresponding to a given trigonometric ratio, eliminating the need for manual calculations.

    Formulae for Inverse Trigonometric Functions

    1. Inverse Sine (Arcsine)

    The inverse sine function, denoted as “sin⁻¹” or “arcsin,” is defined as follows:

    • sin⁻¹(x) = arc sin(x) = θ Where:
    • x is the input value in the range [-1, 1].
    • θ is the angle in radians that satisfies sin(θ) = x, where -π/2 ≤ θ ≤ π/2.

    2. Inverse Cosine (Arccosine)

    The inverse cosine function, denoted as “cos⁻¹” or “arccos,” is defined as:

    • cos⁻¹(x) = arc cos(x) = θ Where:
    • x is the input value in the range [-1, 1].
    • θ is the angle in radians that satisfies cos(θ) = x, where 0 ≤ θ ≤ π.

    3. Inverse Tangent (Arctangent)

    The inverse tangent function, denoted as “tan⁻¹” or “arctan,” is defined as:

    • tan⁻¹(x) = arc tan(x) = θ Where:
    • x is any real number.
    • θ is the angle in radians that satisfies tan(θ) = x, where -π/2 < θ < π/2.

    4. Inverse Cosecant, Secant, and Cotangent

    The inverse cosecant, secant, and cotangent functions follow similar principles but are less commonly used. They are denoted as csc⁻¹(x), sec⁻¹(x), and cot⁻¹(x), respectively.

    Benefits of the Inverse Trigonometric Functions Calculator

    1. Accuracy: The calculator ensures precise calculations, minimizing the risk of human error when dealing with complex trigonometric equations.
    2. Time Efficiency: It significantly reduces the time required to find inverse trigonometric values, making it invaluable for time-sensitive tasks.
    3. Wide Range of Inputs: The tool can handle a wide range of input values, including those outside the standard domain of trigonometric functions.
    4. Educational Aid: It serves as an excellent educational aid, helping students and teachers better understand the concept of inverse trigonometric functions.
    5. Engineering and Scientific Applications: Engineers, physicists, and scientists can utilize this calculator for various applications, such as solving problems related to angles and waves.

    Interesting Facts about Inverse Trigonometric Functions

    1. Multiple Solutions: Inverse trigonometric functions may have multiple solutions, depending on the interval chosen for the angle. For example, the inverse sine function has infinitely many solutions in the range [-90°, 90°].
    2. Principal Values: To avoid ambiguity, mathematicians define principal values for inverse trigonometric functions. These values are chosen to provide a unique solution within specific intervals.
    3. Complex Plane: Inverse trigonometric functions can also be extended to the complex plane, allowing for a broader range of applications, particularly in engineering and physics.
    4. Historical Significance: The development of inverse trigonometric functions is closely tied to the study of triangles and navigation, dating back to ancient civilizations like the Greeks and Babylonians.


    The Inverse Trigonometric Functions Calculator is a powerful tool that simplifies mathematical computations related to inverse trigonometry. With its ability to find angles corresponding to trigonometric ratios, it offers accuracy and efficiency, benefiting students, professionals, and academics alike. As we continue to explore the depths of mathematics and its applications, this calculator remains an essential companion for solving problems involving angles and trigonometric functions.

    1. Stewart, James. “Calculus: Early Transcendentals.” Cengage Learning, 2015.
    2. Anton, Howard, et al. “Calculus: Early Transcendentals.” John Wiley & Sons, 2015.
    3. Spivak, Michael. “Calculus.” Publish or Perish, Inc., 2008.

    Last Updated : 19 January, 2024

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