Trig Substitution | y=(x^2)/[sqrt(9-x^2)]

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In this video, we simplify and integral by applying a trigonometric substitution.

#calculus #integrationtechniques #integration #trigonometricsubstitution
  1. Hebert Engineering
  2. calculus
  3. integration
  4. integration techniques
  5. trigonometric substitution
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Yeah, I noticed the possibility of trig substitution immediately. Calc II. Math students should do 100 of these at least. After a while you won’t need the table.
Very nice but it would be better to describe the steps in much slower detail. We can lose it very easily. THX.

JohnNucci-vq
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Have to consider the domain of theta so that the square root is positive

TheRealBigBash
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For A- level further maths in our formula book we just get the strait result and are taught to just learn that eg: inrgrl(1/(a^2 + x^2) = 1/a(arctan(x/a)

blibityblobity
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Literaly learnt this yesterday and applied it with partial fractions today

blibityblobity