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calculus help please

0 votes

asked Jul 8, 2013 in CALCULUS by anonymous Apprentice

1 Answer

0 votes

a)image

Apply  image

image

image

image

b) image

Let  cosx  = t

   - sinx dx  =  dt

image

image

Substiute  t  value

image

imageimage.

answered Jul 8, 2013 by goushi Pupil

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