bellaswiss1
bellaswiss1 bellaswiss1
  • 08-08-2019
  • Mathematics
contestada

Evaluate cos pi - sin pi/2

-2
-1
0
1

Evaluate cos pi sin pi2 2 1 0 1 class=

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ashley00864
ashley00864 ashley00864
  • 08-08-2019
A) -2

Explanation on pictures

For step 3 where it says Simplify the only thing it has is -2

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