Cos a + sin 270 degree + a minus sin 270 degrees minus 3 + cos 180 degree + 1 is equal to
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Cos a-1+a+1-3-1+1==>Cos a=a+3. 0. 90. 180. 270. 360. Sin:. 0. 1. 0. -1. 0 Cos:. 1. 0. -1. 0. 1 Hope this will help you
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