Pre-Calculus, 9th edition
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95
| PAGE: 493 | SET: Exercises | PROBLEM: 95 |
Please look in your text book for this problem Statement
(a)
In a laser projection system, the optical or scanning angle 
is related to the throw distance 
from the scanner to the screen and the projected image width 
by the equation.
.
Apply Half-angle formula: 
.
.
(b)
Consider 
.
Throw distance 
and projected image width is 
.
Substitute corresponding values in .
.
Optical angle is 
.
(a) .
(b) Optical angle is .
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