Using the cosine sum identity, Cosine (x + StartFraction 3 pi Over 2 EndFraction) = cosine (x) cosine (StartFraction 3 pi Over 2

Question

3 years ago

10

Using the cosine sum identity, Cosine (x + StartFraction 3 pi Over 2 EndFraction) = cosine (x) cosine (StartFraction 3 pi Over 2

EndFraction) minus sine (x) sine (StartFraction 3 pi Over 2 EndFraction)
Which of the following is equivalent to Cosine (x + StartFraction 3 pi Over 2 EndFraction)?

Mathematics

1 answer:

Wewaii [24] · Answer 1 · 2022-07-04T03:57:26+03:00

Wewaii [24]3 years ago

6 0

Answer: A. Sin(x)

Explanation:

Just did it and got it correct. Yw:)