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  1. www.programiz.com › c-programming › library-functionC acos() - C Standard Library - Programiz

    The acos() function takes a single argument (1 ≥ x ≥ -1), and returns the arc cosine in radians. Mathematically, acos(x) = cos -1 (x). The acos() function is included in <math.h> header file.

  2. www.mathway.com › popular-problems › TrigonometryFind the Exact Value arccos(0) | Mathway

    Trigonometry. Find the Exact Value arccos (0) Step 1. The exact value of is . Step 2. The result can be shown in multiple forms. Exact Form: Decimal Form: Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

  3. www.gigacalculator.com › calculators › arccos-calculatorArccos Calculator to calculate arccos(x)

    Arccos calculator to easily calculate the arc cosine (inverse cosine) function of any number. Calculate arccos(x) in degrees and radians with this trigonometric calculator.

  4. www.techonthenet.com › c_language › standard_library_functionsC Language: acos function (Arc Cosine) - TechOnTheNet

    In the C Programming Language, the acos function returns the arc cosine of x. Syntax. The syntax for the acos function in the C Language is: double acos(double x); Parameters or Arguments. x. A value between -1 and 1. A domain error will occur if x is not between -1 and 1. Returns.

  5. www.tutorialspoint.com › c_standard_library › c_function_acosC library - acos() function - Online Tutorials Library

    The C library acos() function returns the arc cosine of x in radians. This parameter must be in the range of -1 to 1 and if the given input set to out of range, it will return nan and may errno to EDOM. Syntax. Following is the C library syntax of the acos() function −. double acos(double x) Parameters. This function takes only single ...

  6. www.geeksforgeeks.org › acos-function-in-c-stlacos() function in C++ STL - GeeksforGeeks

    31 maj 2023 · acos() is an inbuilt function in C++ STL and it’s the same as the inverse of cosine in maths. The acos() function returns the values in the range of [0, π] which is the angle in radians. Syntax acos(data_type x); Parameters. This function accepts one mandatory parameter x which specifies the value whose inverse of cosine needs to be computed.

  7. cplusplus.com › reference › cmathacos - C++ Users

    Principal arc cosine of x, in the interval [0,pi] radians. One radian is equivalent to 180/PI degrees.