Expression 4: "r" equals sine left parenthesis, 2 theta , right parenthesis to the 4th power plus left parenthesis, cos 2 theta , right parenthesis Superscript, left parenthesis, 1 fifth , right parenthesis , Baseline minus left parenthesis, sin 2 theta , right parenthesis Superscript, left parenthesis, 6 fifths , right parenthesis , Baseliner=sin2θ4+cos2θ15−sin2θ65
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
12 pi12π
domain \theta Maximum:
4
Expression 5: "r" equals negative left parenthesis, .5 left parenthesis, cos left parenthesis, 1.9 times theta , right parenthesis minus 1 , right parenthesis , right parenthesis Superscript, left parenthesis, 3 , right parenthesis , Baseline minus 1 quarterr=−.5cos1.9·θ−13−14
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
12 pi12π
domain \theta Maximum:
5
Expression 6: "r" equals StartFraction, left parenthesis, left parenthesis, negative left parenthesis, cos left parenthesis, 1.9 times theta , right parenthesis minus 1 , right parenthesis , right parenthesis Superscript, left parenthesis, 2.4 , right parenthesis , Baseline minus 1.4 , right parenthesis Over 5 , EndFractionr=−cos1.9·θ−12.4−1.45
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
12 pi12π
domain \theta Maximum:
6
Expression 7: "r" equals StartFraction, left parenthesis, left parenthesis, negative left parenthesis, cos left parenthesis, 1.9 times theta , right parenthesis minus 1 , right parenthesis , right parenthesis Superscript, left parenthesis, 2.4 , right parenthesis , Baseline minus 1.4 , right parenthesis Over 5 , EndFractionr=−cos1.9·θ−12.4−1.45
00
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤