Module piecad.trigonometry

Trigonometry functions that use and return degrees.

They also take pains to make sure commonly used angles that should come out exact, DO come out exact.

Functions

def acos(cosVal: float) ‑> float

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def acos(cosVal: float) -> float:
    "ArcCosine of cosVal returning angle in degrees."
    return rad_to_deg(_math.acos(cosVal))

ArcCosine of cosVal returning angle in degrees.

def acosh(cosVal: float) ‑> float

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def acosh(cosVal: float) -> float:
    "ArcCosine of hyperbolic cosVal returning angle in degrees."
    return rad_to_deg(_math.acosh(cosVal))

ArcCosine of hyperbolic cosVal returning angle in degrees.

def asin(sinVal: float) ‑> float

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def asin(sinVal: float) -> float:
    "ArcSine of sinVal returning angle in degrees."
    return rad_to_deg(_math.asin(sinVal))

ArcSine of sinVal returning angle in degrees.

def asinh(sinVal: float) ‑> float

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def asinh(sinVal: float) -> float:
    "ArcSine of hyperbolic sinVal returning angle in degrees"
    return rad_to_deg(_math.asinh(sinVal))

ArcSine of hyperbolic sinVal returning angle in degrees

def atan(tanVal: float) ‑> float

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def atan(tanVal: float) -> float:
    "ArcTan of tanVal returning angle in degrees."
    return rad_to_deg(_math.atan(tanVal))

ArcTan of tanVal returning angle in degrees.

def atan2(y: float, x: float) ‑> float

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def atan2(y: float, x: float) -> float:
    "ArcTan of quotient of y and x returning angle in degrees."
    return rad_to_deg(_math.atan2(y, x))

ArcTan of quotient of y and x returning angle in degrees.

def atanh(tanVal: float) ‑> float

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def atanh(tanVal: float) -> float:
    "ArcTan of hyperbolic tanVal returning angle in degrees."
    return rad_to_deg(_math.atanh(tanVal))

ArcTan of hyperbolic tanVal returning angle in degrees.

def cos(angleInDegrees: float) ‑> float

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def cos(angleInDegrees: float) -> float:
    "Cosine of angle in degrees."
    angleInDegrees = abs(angleInDegrees % 360.0)
    if angleInDegrees in _quickCos:
        return _quickCos[angleInDegrees]
    return _math.cos(deg_to_rad(angleInDegrees))

Cosine of angle in degrees.

def cosh(angleInDegrees: float) ‑> float

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def cosh(angleInDegrees: float) -> float:
    "Hyperbolic cosine of angle in degrees."
    return _math.cosh(deg_to_rad(angleInDegrees))

Hyperbolic cosine of angle in degrees.

def deg_to_rad(angleInDegrees)

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def deg_to_rad(angleInDegrees):
    "Convert degrees to radians."
    return angleInDegrees * (_math.pi / 180)

Convert degrees to radians.

def rad_to_deg(angleInRadians)

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def rad_to_deg(angleInRadians):
    "Convert radians to degrees."
    return angleInRadians * (180 / _math.pi)

Convert radians to degrees.

def sin(angleInDegrees: float) ‑> float

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def sin(angleInDegrees: float) -> float:
    "Sine of angle in degrees."
    angleInDegrees = abs(angleInDegrees % 360.0)
    if angleInDegrees in _quickSin:
        return _quickSin[angleInDegrees]
    return _math.sin(deg_to_rad(angleInDegrees))

Sine of angle in degrees.

def sinh(angleInDegrees: float) ‑> float

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def sinh(angleInDegrees: float) -> float:
    "Hyperbolic sine of angle in degrees."
    return _math.sinh(deg_to_rad(angleInDegrees))

Hyperbolic sine of angle in degrees.

def tan(angleInDegrees: float) ‑> float

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def tan(angleInDegrees: float) -> float:
    "Tangent of angle in degrees."
    angleInDegrees = abs(angleInDegrees % 360.0)
    if angleInDegrees in _quickTan:
        return _quickTan[angleInDegrees]
    return _math.tan(deg_to_rad(angleInDegrees))

Tangent of angle in degrees.

def tanh(angleInDegrees: float) ‑> float

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def tanh(angleInDegrees: float) -> float:
    "Hyperbolic tangent of angle in degrees."
    return _math.tanh(deg_to_rad(angleInDegrees))

Hyperbolic tangent of angle in degrees.