SOLUTION: Use your calculator to check that a) sin = sin (x -1) b) cos 1 = - cos (x-1) Can you please help me out? Thanks so much in advance:)

Question 878809: Use your calculator to check that
a) sin = sin (x -1)
b) cos 1 = - cos (x-1)
Can you please help me out? Thanks so much in advance:)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I could, but that would defeat the purpose.
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