Definition of Arctans. Meaning of Arctans. Synonyms of Arctans

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Definition of Arctans

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Meaning of Arctans from wikipedia

- inverse trigonometric functions using an arc- prefix: arcsin(x), arccos(x), arctan(x), etc. (This convention is used throughout this article.) This notation...
- arctan ⁡ 1 2 + arctan ⁡ 1 3 , {\displaystyle {\frac {\pi }{4}}=\arctan {\frac {1}{2}}+\arctan {\frac {1}{3}},} π = arctan ⁡ 1 + arctan ⁡ 2 + arctan ⁡...
- Gregory's series, is arctan ⁡ x = x − x 3 3 + x 5 5 − x 7 7 + ⋯ = ∑ k = 0 ∞ ( − 1 ) k x 2 k + 1 2 k + 1 . {\displaystyle \arctan x=x-{\frac {x^{3}}{3}}+{\frac...
- sgn ⁡ ( y ) arccos ⁡ x x 2 + y 2 = { arctan ⁡ ( y x ) if  x > 0 , arctan ⁡ ( y x ) + π if  x < 0  and  y ≥ 0 , arctan ⁡ ( y x ) − π if  x < 0  and  y < 0...
- arctan ⁡ s + arctan ⁡ t = arctan ⁡ s + t 1 − s t {\displaystyle \arctan s+\arctan t=\arctan {\frac {s+t}{1-st}}} holds, provided arctan ⁡ s + arctan ⁡...
- horizontally, α h = 2 arctan ⁡ h 2 f = 2 arctan ⁡ 36 2 × 50 ≈ 39.6 ∘ {\displaystyle \alpha _{h}=2\arctan {\frac {h}{2f}}=2\arctan {\frac {36}{2\times 50}}\approx...
- x ) = arctan ⁡ ( y / x ) . {\textstyle \theta =\operatorname {atan2} (y,x)=\arctan \left(y/x\right).} However, when x < 0, the angle arctan ⁡ ( y /...
- function f ( x ) = arctan ⁡ x {\displaystyle f(x)=\arctan x} Gudermannian function f ( x ) = gd ⁡ ( x ) = ∫ 0 x d t cosh ⁡ t = 2 arctan ⁡ ( tanh ⁡ ( x 2...
- 4 = 2 arctan ⁡ 1 3 + arctan ⁡ 1 7 {\displaystyle {\frac {\pi }{4}}=2\arctan {\frac {1}{3}}+\arctan {\frac {1}{7}}} π 4 = 4 arctan ⁡ 1 5 − arctan ⁡ 1 239...
- Therefore also 4 arctan ⁡ 1 5 − π 4 = 4 arctan ⁡ 1 5 − arctan ⁡ 1 1 = 4 arctan ⁡ 1 5 + arctan ⁡ − 1 1 = arctan ⁡ 120 119 + arctan ⁡ − 1 1 = arctan ⁡ 120 ⋅ 1...