SOLUTION: im in desperate need help with this one. express cos 70 degrees as a co function

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Question 601227: im in desperate need help with this one.
express cos 70 degrees as a co function
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
cos(x) = sin(90 - x)

cos(70) = sin(90 - 70)

cos(70) = sin(20)