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Posted: **Mon Jul 11, 2022 12:08 pm**

: Use An Addition Or Subtraction Formula To Write The Expression As A Trigonometric Function Of One Number Cos 13 Cos 1 (35.22 KiB) Viewed 31 times

Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. cos (13) cos(- -) - sin(135) sin(- -) 0.5 (cos(x) + i sin(x)) Find its exact value. -0.5 Need Help? Master It eBook