Sociology, asked by Jabinash, 1 year ago

Cos(x+y)=0,then sin(x-y)=?

Answers

Answered by Reysan

2

cos(x+y)=0
it means angle is 90°
so
sin(x-y)=1

AnshUchiha: no if x was 75 and y 15 then it woul have been 60degree that is √3/2

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