2cos^2(25)-1

{ "query": { "display": "$$2\\cos^{2}\\left(25^{\\circ\\:}\\right)-1$$", "symbolab_question": "TRIG_EVALUATE#2\\cos^{2}(25^{\\circ })-1" }, "solution": { "level": "PERFORMED", "subject": "Trigonometry", "topic": "Evaluate Functions", "subTopic": "Decimal", "default": "0.64278…", "meta": { "showVerify": true } }, "steps": { "type": "interim", "title": "$$2\\cos^{2}\\left(25^{\\circ\\:}\\right)-1=0.64278…$$", "input": "2\\cos^{2}\\left(25^{\\circ\\:}\\right)-1", "steps": [ { "type": "step", "primary": "Refine to a decimal form", "result": "=0.64278…" } ], "meta": { "solvingClass": "Trig Evaluate" } }, "meta": { "showVerify": true } }