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December 28, 2014

December 28, 2014

Posted by **je** on Tuesday, August 9, 2011 at 10:36pm.

- algebra -
**Ms. Sue**, Tuesday, August 9, 2011 at 10:39pmIs it

(1/4)t or 1/(4t)?

- college algebra -
**Shelia**, Tuesday, August 9, 2011 at 11:44pm(1/4)t

- college algebra -
**Anonymous**, Thursday, August 11, 2011 at 5:30amd/dx(sinx+cosx)

- college algebra -
**Melkor**, Thursday, August 18, 2011 at 7:24am(1/4)t + 3/5= 2/5 - t

=> (5/4)t + 3/5 = 2/5

=> (5/4)t = -1/5

=> t/4 = -1/25

=> t = -4/25

Strictly the equation should read

(d/dx)(sin(x) + cos(x))

=> (d/dx)sin(x) + (d/dx)cos(x)

=> cos(x) - sin(x)

The differentials of sin and cos should be learned. You can demonstrate the results by differentiating their respective series

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