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Simplify sin 1° cos 2°+cos 1° sin 2°

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Simplify sin 1° cos 2°+cos 1° sin 2°

asked Jun 24, 2021 103k views

1 vote

Simplify sin 1° cos 2°+cos 1° sin 2°

Mathematics
middle-school

by Ovo

7.6k points

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1 Answer

3 votes

Answer:

sin3°

Explanation:

Using the addition formula for sine

sin(x + y) = sinxcosy + cosxsiny

Thus

sin1°cos2° + cos1°sin2° = sin(1 + 2)° = sin3°

Mikael Sundberg answered Jun 28, 2021

by Mikael Sundberg

8.0k points

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