To explain: The sum and difference identities are used to describe wireless internet interferences.
Explanation of Solution
Given:
The explanation should include the explanation of the difference between constructive and destructive interference.
For the determination of the wireless internet interference, it uses the sine/cosine of the sum/difference of 2 angles.
Since, the interference occurs at a time where the wave passing from the same space at same time.
It occurs when the two waves combine to have the greater or smaller amplitude than a component waves.
If the amplitude of the combined wave is greater then the constructive interference will occur.
And if the amplitude is smaller then the destructive interference will occur.
Chapter 13 Solutions
Glencoe Algebra 2 Student Edition C2014
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