want to check my answers to see if i have finally grasped sine and cosine. triangle BCF..<f=60.6 side BC=4500 and BF=4778.7 thanks
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Originally Posted by jim49990 want to check my answers to see if i have finally grasped sine and cosine. triangle BCF..<f=60.6 side BC=4500 and BF=4778.7 thanks is it a right triangle?
it sits side on to the previous triangle in the problem i posted cosine rule
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