Sinx=cos19∘

What is the value of x?

Enter your answer in the box.

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)