{"status": "success", "data": {"description_md": "How many solutions does the equation $\\sin \\left( \\frac{\\pi}2 \\cos x\\right)=\\cos \\left( \\frac{\\pi}2 \\sin x\\right)$ have in the closed interval $[0,\\pi]$?\n\n$\\textbf{(A) }0 \\qquad \\textbf{(B) }1 \\qquad \\textbf{(C) }2 \\qquad \\textbf{(D) }3\\qquad \\textbf{(E) }4$\n___\nFull credit goes to [MAA](https://maa.org/) for authoring these problems. These problems were taken on the [AOPS](https://artofproblemsolving.com/) website.", "description_html": "<p>How many solutions does the equation  <span class=\"katex--inline\">\\sin \\left( \\frac{\\pi}2 \\cos x\\right)=\\cos \\left( \\frac{\\pi}2 \\sin x\\right)</span>  have in the closed interval  <span class=\"katex--inline\">[0,\\pi]</span> ?</p>&#10;<p> <span class=\"katex--inline\">\\textbf{(A) }0 \\qquad \\textbf{(B) }1 \\qquad \\textbf{(C) }2 \\qquad \\textbf{(D) }3\\qquad \\textbf{(E) }4</span> </p>&#10;<hr><p>Full credit goes to <a href=\"https://maa.org/\">MAA</a> for authoring these problems. These problems were taken on the <a href=\"https://artofproblemsolving.com/\">AOPS</a> website.</p>", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 3, "problem_name": "2021 AMC 12A Problem 19", "can_next": true, "can_prev": true, "nxt": "/problem/21_amc12A_p20", "prev": "/problem/21_amc12A_p18"}}