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OpenStudy (anonymous):
how do we solve these equations -Fcd cos 30+ Fbc cos @ =0 (1) Fcd sin 30 - Fbc sin @ -147.15 =0 (2) Fab cos 45 - Fbc cos @=0 (3) Fab sin 45 + Fbc sin@ - 294.3=0 (4) Fab? Fcd? Fbc? @?
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