{"id":"S85137522","label":"Plane trigonometry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85137522","normalized_label":"plane trigonometry","broader":["http://id.loc.gov/authorities/subjects/sh85137519"],"aliases":["Trigonometry, Plane"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85137522","provider":"lcsh","revision":"0ad51d000714197e","taxonomy_revision":"f050b5d4780b1289","title":"Plane trigonometry","url":"/topics/S85137522","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088278669660389892","address_version":"morton4x16-v1","coordinates":[0,20,19553,51200],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}