nmurillo16 nmurillo16

25-02-2022
Mathematics

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

Which expression is equivalent to sin84cos43 cos84sin439 class=

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surjithayer surjithayer

28-02-2022

Answer:

Step-by-step 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°

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