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defon
2 years ago
12

Which set of steps can be used to prove the sine sum identity, sin(x + y) = sin(x)cos(y) + cos(x)sin(y)?

SAT
1 answer:
icang [17]2 years ago
7 0

The set of the steps used to prove the sine sum identity are use the complementary relationship between sine and cosine to rewrite sin(x + y) as Cosine (Start Fraction pi over 2 End Fraction minus (x + y) ). Apply the cosine sum identity. Then simplify, using sin( –y ) = –sin(y) and cos(–y) = cos(y).

<h3>What is trigonometry?</h3>

Trigonometry is the study of side, length and angles of the triangle. There are some formulas to solve trigonometry which we have to memorize.

Thus, the correct option is A.

Learn more about trigonometry

brainly.com/question/26719838

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