Update app.py

app.py

@@ -634,10 +634,7 @@ Important: When writing mathematical expressions, use these formatting rules re
    - DO NOT use \\begin{{aligned}} or similar environments
    - When writing questions involving currency expressed in dollars NEVER use the `$` symbol as it will be interepreted as math mode. ALWAYS write out the word dollars.
       * Example: 1000 dollars
-   - Never use parentheses or brackets around expressions, just use the dollar signs. For example:
-      * Write: $\\sin(x) \\approx x - \\frac{x^3}{6}$
-      * Not: (\\sin(x) \\approx x - \\frac{x^3}{6})
-    - Never use \\[ or \\] - always use $$ instead
+   - Never use parentheses or brackets around expressions, just use the dollar signs
 
 Format your response with clear headers and bullet points."""