反三角函数直观探索
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①本范例通过动态演示反三角函数图像与性质,直观展示其定义域、值域及几何意义;②涉及核心概念包括反三角函数、三角函数图像、几何变换、连续性等;③作图要点运用了 Rotate(旋转)、OrthogonalLine(垂线)、Intersect(交点)、Circle(圆)、Ray(射线)等 GeoGebra 命令及对象;④适合高中及以上数学学习者,用于理解反三角函数的直观概念与性质。
GeoGebra 命令及参数
Rotate(B, β, A) → B'_4OrthogonalLine(B'_4, xAxis) → j_1Intersect(j_1, xAxis) → JCircle(A, 1) → cRotate(B, α, A) → B'OrthogonalLine(B', xAxis) → iOrthogonalLine(B, xAxis) → jRay(A, B') → kSegment(A, B') → lIntersect(i, xAxis) → CRotate(C, If[0 < m ≤ 1, (m * π / 2), π / 2], A) → C'Dilate(A, If[1 < m ≤ 2, 2 - m, 0], D) → A'Vector(A, A') → uTranslate(C', u) → C''Rotate(C'', If[2 < m ≤ 3, ((-(m - 2)) * π / 2), ((-π)) / 2], D) → C'''Mirror(B, A) → B'_1Semicircle(B'_1, B) → pCircleArc(A, B, B') → qDilate(B, If[4 < m ≤ 5, 5 - m, 0], E) → B'_2Vector(B, B'_2) → vTranslate(c, v) → c'Translate(B', v) → B''Center(c') → FRotate(B'', If[4 < m ≤ 5, ((-(m - 4)) * α), (-α)], F) → B'''Segment(B, B'_2) → rCircleArc(F, B'_2, B''') → sDilate(B, If[6 < m ≤ 7, 7 - m, 0], C''') → B'_3Vector(B, B'_3) → wTranslate(B'_2, w) → GVector(A, C) → tVector(A, C') → u_1Vector(A', C'') → v_1Vector(D, C''') → w_1Vector(B, E) → a_1Vector(B'_3, G) → b_1Segment(B', C) → f_1OrthogonalLine(B, xAxis) → i_1Ray(A, B'_4) → g_1Intersect(i_1, g_1) → HSegment(A, B'_4) → h_1Vector(J, B'_4) → c_1Vector(B, H) → d_1Dilate(J, If[0 < m ≤ 1, 1 - m, 0], D) → J'Vector(J, J') → e_1Translate(B'_4, e_1) → IVector(J', I) → k_1Rotate(I, If[1 < m ≤ 2, ((-(m - 1)) * π / 2), ((-π)) / 2], D) → I'Vector(D, I') → l_1CircleArc(A, B'_4, B) → p_1CircleArc(A, B, B'_4) → q_1Dilate(B, If[3 < m ≤ 4, 4 - m, 0], L) → B'_5Vector(B, B'_5) → m_1Translate(c, m_1) → c'_1Center(c'_1) → NSegment(B, B'_5) → n_1Translate(B'_4, m_1) → PRotate(P, If[3 < m ≤ 4, ((-(m - 3)) * β), (-β)], N) → P'CircleArc(N, B'_5, P') → r_1Mirror(r_1, xAxis) → s_1Mirror(B, xAxis) → B'_6Mirror(B'_5, xAxis) → QSegment(B'_6, Q) → t_1Mirror(I, xAxis) → I'_1Mirror(B'_4, xAxis) → RMirror(I', D) → I''Mirror(q_1, xAxis) → c_2Mirror(A, xAxis) → A'_1Mirror(B'_4, xAxis) → SSegment(A'_1, S) → f_2Mirror(c_1, xAxis) → u_2Mirror(k_1, xAxis) → v_2Mirror(l_1, D) → w_2Dilate(B, If[5 < m ≤ 6, 6 - m, 0], I') → B'_7Vector(B, B'_7) → b_2Vector(B, P') → d_2Translate(P', b_2) → P''Translate(B, b_2) → B'_8Vector(B'_8, P'') → e_2Mirror(P', xAxis) → P''_1Dilate(B, If[5 < m ≤ 6, 6 - m, 0], I'') → B'_9Vector(B, B'_9) → g_2Vector(B, P''_1) → h_2Translate(P''_1, g_2) → MVector(B'_9, M) → i_2Mirror(B'_8, D) → OMirror(I', D) → I''_1Ray(A, H) → j_2Mirror(d_1, xAxis) → k_2Mirror(H, xAxis) → H'Mirror(A, xAxis) → A'_2Mirror(H, xAxis) → H'_1Ray(A'_2, H'_1) → l_2Dilate(B, If[0 < m ≤ 1, 1 - m, 0], D) → B'_{10}Vector(B, B'_{10}) → m_2Translate(H, m_2) → H'_2Translate(d_1, m_2) → n_2Translate(H', m_2) → H''Vector(B'_{10}, H'_2) → p_2Vector(B'_{10}, H'') → q_2Segment(A, H) → r_2Mirror(B, A) → B'_{11}Segment(A, B) → s_2Segment(A, H') → t_2Rotate(H'_2, If[1 < m ≤ 2, ((-(m - 1)) * π / 2), ((-π)) / 2], D) → TRotate(H'', If[1 < m ≤ 2, ((-(m - 1)) * π / 2), ((-π)) / 2], D) → H'''Vector(D, T) → u_3Vector(D, H''') → v_3Intersect(c, r_2, 1) → UIntersect(c, t_2, 1) → VCircleArc(A, B, U) → c_3CircleArc(A, V, B) → d_3Dilate(B, If[3 < m ≤ 4, 4 - m, 0], W) → B'_{12}Dilate(B, If[3 < m ≤ 4, 4 - m, 0], Z) → B'_{13}Vector(B, B'_{12}) → w_3Vector(B, B'_{13}) → a_3Translate(A, w_3) → A'_3Translate(A, a_3) → A'_4Translate(V, a_3) → V'Translate(U, w_3) → U'Rotate(U', If[3 < m ≤ 4, ((-(m - 3)) * β), (-β)], A'_3) → U''Rotate(V', If[3 < m ≤ 4, ((m - 3) * β), β], A'_4) → V''Segment(B, B'_{12}) → f_3Segment(B, B'_{13}) → g_3CircleArc(A'_3, B'_{12}, U'') → e_3CircleArc(A'_4, V'', B'_{13}) → h_3Vector(B, V'') → b_3Vector(B, U'') → i_3Dilate(B, If[5 < m ≤ 6, 6 - m, 0], T) → B'_{14}Vector(B, B'_{14}) → j_3Translate(U'', j_3) → U'''Vector(B'_{14}, U''') → k_3Dilate(B, If[5 < m ≤ 6, 6 - m, 0], H''') → B'_{15}Vector(B, B'_{15}) → l_3Translate(V'', l_3) → V'''Vector(B'_{15}, V''') → m_3
AI 绘图提示语参考
画一个动态展示反三角函数图像和性质的图形,包含反三角函数图像、定义域和值域,以及它们的几何意义。首先画一个圆和一条射线,然后通过旋转和垂线构造反三角函数图像,并标出关键点和线段,最后展示几何变换和连续性。
以上提示语为根据原始绘图命令整理而来,仅供参考。