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Rotation of Axes

Rotation of Axes. there are two sets of formulas for the rotation of axes (each set has different uses) the angle of rotation is α (alpha) 0 < α < π/2 or 0 < α < 90°. Angle of Rotation. to find the angle of rotation use the following formula (must have a “B” value)

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Rotation of Axes

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  1. Rotation of Axes • there are two sets of formulas for the rotation of axes (each set has different uses) • the angle of rotation is α (alpha) • 0 < α < π/2 or 0 < α < 90°

  2. Angle of Rotation • to find the angle of rotation use the following formula (must have a “B” value) • for computations it is sometimes easier to use the related formula:

  3. Discriminant Test • when a conic has a “B” term, it is difficult to determine the type of conic just by looking at A and C • use the “discriminant test” instead

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