Trigonometric COS Float Angle (radians) Float The COS() function returns the cosine of x, where x is given in radians. COS(Float) COS(0) equals 1.0 COS(PI()/2) equals 0 SIN ACOS ACOT Float Angle (radians) Float The ACOT() function returns the inverse cotangent of a number. ACOT(Float) ACOT(0) equals 1.57079633 SIN Float Angle (radians) Float The SIN() function returns the sine of x, where x is given in radians. SIN(Float) SIN(0) equals 0 SIN(PI()/2) equals 1 COS ASIN TAN Float Angle (radians) Float The TAN() function returns the tangent of x, where x is given in radians. TAN(Float) TAN(0.7) equals 0.84228838 TAN(0) equals 0 ATAN ACOS Float Angle (radians) Float The ACOS() function returns the arc cosine in radians and the value is mathematically defined to be 0 to PI (inclusive). ACOS(Float) ACOS(0.8) equals 0.6435011 ACOS(0) equals 1.57079633 COS ASIN Float Angle (radians) Float The ASIN() function returns the arc sine in radians and the value is mathematically defined to be -PI/2 to PI/2 (inclusive). ASIN(Float) ASIN(0.8) equals 0.92729522 ASIN(0) equals 0 SIN ATAN Float Angle (radians) Float The ATAN() function returns the arc tangent in radians and the value is mathematically defined to be -PI/2 to PI/2 (inclusive). ATAN(Float) ATAN(0.8) equals 0.67474094 ATAN(0) equals 0 TAN ATAN2 COSH Float Angle (radians) Float The COSH() function returns the hyperbolic cosine of x, which is defined mathematically as (exp(x) + exp(-x)) / 2. COSH(Float) COSH(0.8) equals 1.33743495 COSH(0) equals 1 ACOSH SINH Float Angle (radians) Float The SINH() function returns the hyperbolic sine of x, which is defined mathematically as (exp(x) - exp(-x)) / 2. SINH(Float) SINH(0.8) equals 0.88810598 SINH(0) equals 0 ASINH TANH Float Angle (radians) Float The TANH() function returns the hyperbolic tangent of x, which is defined mathematically as sinh(x)/cosh(x). TANH(Float) TANH(0.8) equals 0.66403677 TANH(0) equals 0 ATANH ACOSH Float Angle (radians) Float The ACOSH() function calculates the inverse hyperbolic cosine of x. That is the value whose hyperbolic cosine is x. If x is less than 1.0, acosh() returns not-a-number (NaN) and errno is set. ACOSH(Float) ACOSH(5) equals 2.29243167 ACOSH(0) equals NaN COSH ASINH Float Angle (radians) Float The ASINH() function calculates the inverse hyperbolic sine of x; that is the value whose hyperbolic sine is x. ASINH(Float) ASINH(0.8) equals 0.73266826 ASINH(0) equals 0 SINH ATANH Float Angle (radians) Float The ATANH() function calculates the inverse hyperbolic tangent of x; that is the value whose hyperbolic tangent is x. If the absolute value of x is greater than 1.0, ATANH() returns not-a-number (NaN). ATANH(Float) ATANH(0.8) equals 1.09861229 ATANH(0) equals 0 TANH ATAN2 Float Angle (radians) Float Angle (radians) Float This function calculates the arc tangent of the two variables x and y. It is similar to calculating the arc tangent of y/x, except that the signs of both arguments are used to determine the quadrant of the result. ATAN2(value;value) ATAN2(0.5;1.0) equals 1.107149 ATAN2(-0.5;2.0) equals 1.815775 ATAN DEGREES Float Angle (radians) Float This function transforms a radian angle to a degree angle. DEGREES(Float) DEGREES(0.78) equals 44.69 DEGREES(1) equals 57.29 RADIANS RADIANS Float Angle (degrees) Float This function transforms a degree angle to a radian angle. RADIANS(Float) RADIANS(75) equals 1.308 RADIANS(90) equals 1.5707 DEGREES PI Float The PI() function returns the value of PI. PI() PI() equals 3.141592654...