5. CONVERT 225 DEGREES INTO RADIANS. EXPRESS YOUR ANSWER IN TERMS OF PI. 6. COMPUTE SEC ( 5PI/ 4 ) - COT ( 3PI/4 ). 7. A LADDER LEANS UP AGAINST A WALL. THE LENGTH OF THE LADDER IS 26 FEET, AND THE LADDER MAKES AN ANGLE OF 40 DEGREES WITH THE GROUND. COMPUTE THE DISTANCE FROM WHERE THE FOOT OF THE LADDER MEETS THE GROUND TO WHERE THE BOTTOM OF THE WALL MEETS THE GROUND. 8. COMPUTE TAN -1 ( 1 ) - CSC - 1 ( 1 )