For example: BX + ay = AB (a)

For example: BX + ay = AB (a)


The slope is - B / A
The inclination angle is arctan (- B / a)
Slope



If the slope of a straight line is known to be K, a, if K


Reference answer:
tan(π-a)=-k
π-a=-arctank
a=π+arctank



If the line with slope l passes through two points a (2,1), B (1, m ^ 2) (m ∈ R), then the range of inclination angle of L is


Because the slope of the line is (1-m ^ 2) / (2-1) = 1-m ^ 2
Because m ^ 2 > = 0
So 1-m ^ 2

Elden Ring Premiere

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