Mathematics, 09.12.2020 22:10 sarinaneedshelp01
Read the proof.
A 2-column table with 3 rows. Column 1 has entries 1, 2, 3. Column 2 is labeled Step with entries sine (2 x) = sine (x + x), question mark, sine (2 x) = 2 sine (x) cosine (x).
What is step 2?
A. sin(2x) = cos(x)cos(x) – sin(x)sin(x)
B. sin(2x) = sin(x)cos(x) – sin(x)cos(x)
C. sin(2x) = cos(x)cos(x) + sin(x)sin(x)
D. sin(2x) = sin(x)cos(x) + sin(x)cos(x)
Answers: 3
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Read the proof.
A 2-column table with 3 rows. Column 1 has entries 1, 2, 3. Column 2 is labeled Ste...
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