SOLUTION: Hi I'm trying to integrate the following equation: (5sin2θ +2cos4θ)dθ my answer is ((-5cos2θ)/2) + 1/2 sin4θ +c but I am unsure if this is the corre

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Question 1029273: Hi I'm trying to integrate the following equation:
(5sin2θ +2cos4θ)dθ
my answer is ((-5cos2θ)/2) + 1/2 sin4θ +c but I am unsure if this is the correct answer. Can anyone please check and if necessary point me in the right direction . Cheers
Rich

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Hi I'm trying to integrate the following equation:
(5sin2θ +2cos4θ)dθ
my answer is ((-5cos2θ)/2) + 1/2 sin4θ +c but I am unsure if this is the correct answer. Can anyone please check and if necessary point me in the right direction . Cheers
---------
Differentiate your result:
(d/dt)(-5cos(2t)/2 + sin(4t)/2 + C)
= 5sin(2t) + 2sin(4t)
Looks right.

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