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Trigonometric Substitution a. Explain why the substitution x = asin(Theta)

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
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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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should i use substitution?? if yes how should should i use it? plz i need some directions?k plz someone?...so far i used trig.
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2. asked by Maria
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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
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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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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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(i) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using trigonometric substitution.(ii) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using
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2. asked by Murphy
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(i) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using trigonometric substitution.(ii) Evaluate integral [ x^3 / (x^2 + 4)^2 ] using
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2. asked by Jack
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We're doing indefinite integrals using the substitution rule right now in class.The problem: (integral of)
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2. asked by Joshua
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Solve the integral: (1-x^2)^(3/2)/x^2This is what I have so far. I used trig substitution. x=sin theta dx=cos theta dtheta
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2. asked by Mike
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