นิพจน์ 15: "A" Subscript, 1 , Baseline equals "R" cosine "A" Subscript, "O" "T" , BaselineA1=RcosAOT
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นิพจน์ 16: "A" Subscript, 2 , Baseline equals "R" sine "A" Subscript, "O" "T" , BaselineA2=RsinAOT
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นิพจน์ 17: "B" Subscript, 1 , Baseline equals "R" cosine left parenthesis, "A" Subscript, "O" "T" , Baseline plus "A" Subscript, "O" "B" , Baseline , right parenthesisB1=RcosAOT+AOB
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นิพจน์ 18: "B" Subscript, 2 , Baseline equals "R" sine left parenthesis, "A" Subscript, "O" "T" , Baseline plus "A" Subscript, "O" "B" , Baseline , right parenthesisB2=RsinAOT+AOB
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นิพจน์ 19: "C" Subscript, 1 , Baseline equals "R" cosine left parenthesis, "A" Subscript, "O" "T" , Baseline plus "A" Subscript, "O" "B" , Baseline plus "B" Subscript, "O" "C" , Baseline , right parenthesisC1=RcosAOT+AOB+BOC
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นิพจน์ 20: "C" Subscript, 2 , Baseline equals "R" sine left parenthesis, "A" Subscript, "O" "T" , Baseline plus "A" Subscript, "O" "B" , Baseline plus "B" Subscript, "O" "C" , Baseline , right parenthesisC2=RsinAOT+AOB+BOC
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Graphs
ซ่อนโฟลเดอร์นี้จากนักเรียน
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นิพจน์ 22: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
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นิพจน์ 23: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesisRcost,Rsint
