수식 8: "r" equals negative StartFraction, 2 Over sin left parenthesis, theta , right parenthesis , EndFractionr=−2sinθ
00
정의역 \theta 최솟값:
less than or equal to theta less than or equal to≤θ≤
12 pi12π
정의역 \theta 최댓값:
8
e)
9
수식 10: "r" equals StartFraction, 3 Over cos left parenthesis, theta , right parenthesis plus 4sin left parenthesis, theta , right parenthesis , EndFractionr=3cosθ+4sinθ
00
정의역 \theta 최솟값:
less than or equal to theta less than or equal to≤θ≤
12 pi12π
정의역 \theta 최댓값:
10
f)
11
수식 12: "r" equals StartRoot, 2cos left parenthesis, 2 theta , right parenthesis , EndRootr=2cos2θ
00
정의역 \theta 최솟값:
less than or equal to theta less than or equal to≤θ≤
12 pi12π
정의역 \theta 최댓값:
12
수식 13: "r" equals negative StartRoot, 2cos left parenthesis, 2 theta , right parenthesis , EndRootr=−2cos2θ
00
정의역 \theta 최솟값:
less than or equal to theta less than or equal to≤θ≤
