cos(a-b)=????
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Answers
Answered by
3
cos(A-B)=cos(A+(-B))=cosAcos(-B)-sinAsin(-B)=cosAcosB-sinA(-sinB)
Answered by
7
HEYA ❣️
cos(A-B)=cosAcosB+sinAsinB
✔️
surya089:
hi
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