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

asked May 2, 2023 231k views

20 votes

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7 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°

Rosscova answered May 5, 2023