kkellar0707 kkellar0707

23-11-2020
Mathematics

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The table shows the derivation of cos(2x). Select the
correct reason for each step.

The table shows the derivation of cos2x Select the correct reason for each step class=

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rachelrachel rachelrachel

30-11-2020

Answer:

Reason 1 is: Addition

Reason 2 is: Sine Sum Identity

Reason 3 is: Simplify

Step-by-step explanation:

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