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Which expression is equivalent to sin(84°)cos(43°) + cos(84°)sin(439)?

Which expression is equivalent to sin(84°)cos(43°) + cos(84°)sin(439)?-example-1
User Nyerguds
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1 Answer

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26 votes

Answer:

Explanation:

sin(x+y)=sin x cos y+cos x sin y

sin 84°cos 43°+cos 84°sin 43°

=sin (84+43)

=sin 127°

User Morten Jensen
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