表达式6: "m" equals StartFraction, sin alpha minus "c" Over cos alpha , EndFractionm=sinα−ccosα
equals=
negative 0.1 8 4 5 1 2 7 2 1 6 3 8−0.184512721638
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表达式7: "y" equals "m" "x" plus "c"y=mx+c
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表达式8: polygon left parenthesis, left parenthesis, 0 , "c" , right parenthesis , left parenthesis, 0 , 0 , right parenthesis , left parenthesis, cos alpha , sin alpha , right parenthesis , right parenthesispolygon0,c,0,0,cosα,sinα
8
表达式9: "r" less than or equal to 1r≤1
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
定义域\theta最大值： alphaα
9
表达式10: "f" left parenthesis, "x" , right parenthesis equals left brace, 0 less than or equal to "x" less than or equal to cos alpha : "m" "x" plus "c" , "x" greater than or equal to cos alpha : StartRoot, 1 minus "x" squared , EndRoot , right bracefx=0≤x≤cosα:mx+c,x≥cosα:1−x2
10
表达式11: Start integral from 0 to 1, end integral, "f" left parenthesis, "x" , right parenthesis "d" "x" minus StartFraction, pi Over 8 , EndFraction∫10fxdx−π8
