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The table shows the derivation of cos(2x). Select the correct reason for each step.
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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 cos(2x). Select the correct reason for each step-example-1
User Ovinophile
by
6.2k points

2 Answers

4 votes

Answer:

1: Addition

2: Cosine Sum Identity
3: Simplify

Explanation:

The table shows the derivation of cos(2x). Select the correct reason for each step-example-1
User Zeitgeist
by
5.9k points
1 vote

Answer:

Reason 1 is: Addition

Reason 2 is: Sine Sum Identity

Reason 3 is: Simplify

Explanation:

just did it on edge

The table shows the derivation of cos(2x). Select the correct reason for each step-example-1
User Jia Jian Goi
by
5.7k points
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