MATH 121 Midterm: Math 121 Chico State M121Exam3Fall2011

• School: Chico State University
• Department: Mathematics
• Course: MATH 121
• Professor: All

Document Summary

) dx: [10 pts] find the integral. You must show all work: [10pts] . Using eulers method, if dy dx. 3 t 3, y = 2t 2 on 0 t 2 . name______________________________________________________________________________________________________________________________________ 1 = cosh 2 x sinh 2 x. 2 sec 2 x = tan 2 x + 1 sin 2 = 2 sin cos sec d = ln sec + tan + c csc d = ln csc + cot + c. Sn = y1 + 2y2 + 2y3 + + yn y1 + 4 y2 + 2y3 + 4 y4. Polar coordinates: x = r cos , y = r sin , ds = r( )2 + r ( )2 d , da= u = 2 v u i v = u v cos ( ) u v = u v sin ( ) n r 2d . Line: x, y, z = p0. 0 n = 0 i point- plane dist =