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If coax+cosy=3/7 and cosx-cosy=5/9 show that 27tan(x-y)/2+35cot(x+y)/2=0​

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-step EXPLANATION:coax+cosy=3/7 and cosx-cosy=5/9 show that 27tan(x-y)/2+35cot (x+y)/2=0. 1. SEE answer. Add answer+5 pts. LOG in to add comment.0 votes



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