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OpenStudy (anonymous):
SIN(A-B)
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OpenStudy (anonymous):
Sina cosb - cosasinb
OpenStudy (anonymous):
I need to calculate using complementary ratios. sin(A-B) = COS[90-(A-B)]
OpenStudy (ikram002p):
cos(90-(A-B))=cos90cos(A-B)+sin(90) sin(A-B) =0cos(A-B)+1 sin(A-B) =sin (A-B) **cos 90=0 sin 90=1
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