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3 years ago

6

Sinx=cos19∘ What is the value of x? Enter your answer in the box.

1 answer:

rusak2 [61]3 years ago

6 0

Remember that cos is just a translation of sin and vice versa.
So:
Sin(x) = Cos(90 - x)
Cos(x) = Sin(90 - x)

Therefore, to answer your question:
Cos(19) = Sin(90 - 19)
= Sin(71)

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