A mirror and a source of light are situated at the origin O and at a point on OX, respectively. A ray of light from the source strikes the mirror and is reflected. If the direction ratios of the normal to the plane are 1,-1, 1, then find the DCs of the reflected ray.

A mirror and a source of light are situated at the origin O and at a point on OX, respectively. A ray of light from the source strikes the mirror and is reflected. If the direction ratios of the normal to the plane are 1,-1, 1, then find the DCs of the reflected ray.

Trigonometry (MindTap Course List)

8th Edition

ISBN:9781305652224

Author:Charles P. McKeague, Mark D. Turner

Publisher:Charles P. McKeague, Mark D. Turner

Chapter7: Triangles

Section7.2: The Law Of Cosines

Problem 7PS

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Question

ILLUSTRATION 4.5
A mirror and a source of light are situated at the origin O and at a point on OX, respectively. A ray of light
from the source strikes the mirror and is reflected. If the direction ratios of the normal to the plane are 1,-1,
1, then find the DCs of the reflected ray.

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