Expression 7: "X" left parenthesis, "t" , right parenthesis equals "r" Subscript, 1 , Baseline cosine left parenthesis, "Q" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis , right parenthesis plus "r" Subscript, 2 , Baseline cosine left parenthesis, "Q" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis plus "Q" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis , right parenthesisXt=r1cosQ1t+r2cosQ1t+Q2t
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Expression 8: "Y" left parenthesis, "t" , right parenthesis equals "r" Subscript, 1 , Baseline sine left parenthesis, "Q" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis , right parenthesis plus "r" Subscript, 2 , Baseline sine left parenthesis, "Q" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis plus "Q" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis , right parenthesisYt=r1sinQ1t+r2sinQ1t+Q2t
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Expression 9: "V" Subscript, "x" , Baseline left parenthesis, "t" , right parenthesis equals negative "V" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis "r" Subscript, 1 , Baseline sine left parenthesis, "Q" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis , right parenthesis minus "V" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis "V" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis "r" Subscript, 2 , Baseline sine left parenthesis, "Q" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis plus "Q" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis , right parenthesisVxt=−V1tr1sinQ1t−V1tV2tr2sinQ1t+Q2t
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Expression 10: "V" Subscript, "y" , Baseline left parenthesis, "t" , right parenthesis equals "V" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis "r" Subscript, 1 , Baseline cosine left parenthesis, "Q" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis , right parenthesis plus "V" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis "V" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis "r" Subscript, 2 , Baseline cosine left parenthesis, "Q" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis plus "Q" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis , right parenthesisVyt=V1tr1cosQ1t+V1tV2tr2cosQ1t+Q2t
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Expression 11: "V" Subscript, "z" , Baseline left parenthesis, "t" , right parenthesis equals "V" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis plus "V" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesisVzt=V1t+V2t