Equation of Tangent in Normal Form
For:
$$y^2=4ax$$
if the tangent makes an angle $$\theta$$ with the positive $$x$$-axis:
$$y=x\tan\theta+a\cot\theta$$
Usage
- Used when the inclination of the tangent is given instead of its slope.
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CAT Formulas
Parabola
Equation of Tangent in Normal Form
Equation of Tangent in Normal Form
For:
$$y^2=4ax$$
if the tangent makes an angle $$\theta$$ with the positive $$x$$-axis:
$$y=x\tan\theta+a\cot\theta$$
Usage
- Used when the inclination of the tangent is given instead of its slope.
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