@prefix concept: <https://w3id.org/kmath/concept/> .
@prefix course: <https://w3id.org/kmath/course/> .
@prefix math: <https://w3id.org/kmath/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix review_status: <https://w3id.org/kmath/review_status/> .
@prefix scheme: <https://w3id.org/kmath/scheme/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix textbook_section: <https://w3id.org/kmath/textbook_section/> .

concept:tangent_line_equation a math:Concept ;
    rdfs:label "접선의 방정식"@ko ;
    skos:definition "곡선 y = f(x) 위의 점 (a, f(a))에서의 접선의 방정식으로, y − f(a) = f′(a)(x − a)이다."@ko ;
    skos:editorialNote "2026-09-28 개념 모델 정비에서 2022 개정 교육과정 성취기준을 근거로 추가했다. 도메인 전문가 검토가 필요하다."@ko ;
    skos:inScheme scheme:concepts ;
    skos:prefLabel "equation of a tangent line"@en,
        "접선의 방정식"@ko ;
    skos:topConceptOf scheme:concepts ;
    math:introducedIn course:calculus_1 ;
    math:requires concept:differential_coefficient,
        concept:line_equation ;
    math:requiresTransitively concept:algebraic_expression,
        concept:average_rate_of_change,
        concept:coordinate_plane,
        concept:differential_coefficient,
        concept:direct_proportion,
        concept:equation,
        concept:function,
        concept:function_graph,
        concept:function_limit,
        concept:graph,
        concept:integer,
        concept:inverse_proportion,
        concept:line_equation,
        concept:linear_equation,
        concept:linear_equation_function_relation,
        concept:linear_function,
        concept:polynomial,
        concept:rational_number,
        concept:simultaneous_linear_equation ;
    math:reviewStatus review_status:needs_review ;
    math:sourceSection textbook_section:national_curriculum_2022_calculus_1_differentiation,
        textbook_section:national_curriculum_2022_calculus_2_differentiation ;
    math:taughtIn course:calculus_1,
        course:calculus_2 .