6. d(X, {) seems to depend on the choice of P on { and on the unit normal vector N. Show that if N' is another unit normal vector to l and if P' is another point on ?, then | (X – P, N) | = | (X – P', N') |

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 78E
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6. d(X, {) seems to depend on the choice
of P on { and on the unit normal vector
N. Show that if N' is another unit normal
vector to { and if P' is another point on l,
then
| (X - P, N) | = | (X - P', N') |
%3D
Transcribed Image Text:6. d(X, {) seems to depend on the choice of P on { and on the unit normal vector N. Show that if N' is another unit normal vector to { and if P' is another point on l, then | (X - P, N) | = | (X - P', N') | %3D
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