Angle BAC = 60| Desmos

式22: "A" Subscript, 2 , Baseline equals StartAbsoluteValue, 1 , EndAbsoluteValue

equals

式23: "B" Subscript, 1 , Baseline equals StartRoot, 0 , EndRoot

equals

式24: "B" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot

equals

式25: "C" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline

equals

式26: "M" Subscript, 1 , Baseline equals "R"

equals

0.3 6 6 0 2 5 4 0 3 7 8 4

式27: "M" Subscript, 2 , Baseline equals "M" Subscript, 1 , Baseline

equals

0.3 6 6 0 2 5 4 0 3 7 8 4

Graphs

式29: "y" less than 25

式30: polygon left parenthesis, "A" , "B" , "C" , "M" , "C" , right parenthesis

式31: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesis

定義域t最小値:

less than or equal to "t" less than or equal to

定義域t最大値: 360

式32: left parenthesis, 0.0 7 5 "t" cos 45 , 0.0 7 5sin 45 , right parenthesis

定義域t最小値:

less than or equal to "t" less than or equal to

定義域t最大値:

式33: left parenthesis, 0.0 7 5cos 45 , 0.0 7 5 "t" sin 45 , right parenthesis

定義域t最小値:

less than or equal to "t" less than or equal to

定義域t最大値:

Points

提供：

AB = 1

Start black, StartRoot, 2 , EndRoot End black