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Use integration and trigonometric substitution

Evaluate the integral using the indicated trigonometric substitution. (Use C for the constant of integration.)
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2. asked by A
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Use integration and trigonometric substitution to find the area enclosed by the ellipse: (x^2)/16 + (y^2)/25 = 1
1. 3 answers
2. 87 views
Evalute the integral of x/(x^2+4)dx using u-substitution and then trigonometric substitution. I did this and got
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2. asked by Heather
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If x = 9tanθ, use trigonometric substitution to write square root 81 + x^2 as a trigonometric function of θ, where -pi/2 < θ
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2. asked by sophie
3. 1,449 views
If x = 6sinθ, use trigonometric substitution to write square root 36-x^2 as a trigonometric function of θ, where where 0<θ<
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2. asked by sophie
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Solve the integral of (x*e^2x)/(1+2x)^2 by first using u substitution and then use integration by parts.I am very confused on
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2. asked by Dave
3. 679 views
int 1/ (sq rt (4sec^2 x +4)) dxtrigonometric substitution expression: sq rt (x^2-a^2) substitution: x=a sec x identity: sec^2 x
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2. asked by maggie
3. 448 views
Trigonometric Substitutiona. Explain why the substitution x = asin(Theta) guarantees that cos(Theta) is greater than or equal to
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2. asked by John
3. 602 views
f(t)= -2te^-t^2, [0,5] Find average value.Attempt: I know that the average value is the integration of f(t) from a to b divided
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2. asked by Alex
3. 592 views
Which of the following functions of x can be integrated with respect to x without integration by parts, and purely using
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2. asked by Alice
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