1−cossubexpr2→sinsubexpr2 subexpr12→subexpr subexprrationalinteger→subexprrationalinteger Any combinations of the previous simplifications are made. Also, arctan of two arguments is simplified if it contains sin(subexpr). Note:Not all simplifications arevalideverywhere. You should be aware of...
1−sin(subexpr)2→cos(subexpr)21−cos(subexpr)2→sin(subexpr)2subexpr12→subexpr−−−−−−−−√ (subexprrational)integer→subexprrationalintegerAny combinations of the previous simplifications are made. Also, arctan of two arguments is simplified if it contains sin(subexpr)....