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Use the substitution x=3tan() to

  1. Use the substitution x=3tan() to evaluate the indefinite integral 93dx/(x^2sprt(x^2+9))
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    2. Anonymous asked by Anonymous
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  2. We're doing indefinite integrals using the substitution rule right now in class.The problem: (integral of)
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    2. Joshua asked by Joshua
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  3. 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. Maria asked by Maria
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  4. 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. Heather asked by Heather
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  5. ∫ dx/ (x^2+9)^2 dxset x = 3tan u dx = 3 sec^2 u du I = 3 sec^2 u du / ( 9 tan^2 u + 9)^2 = 3 sec^2 u du / ( 81 ( tan^2 u +
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    2. Blake asked by Blake
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  6. if f(x)=3tan(x)+2 and, find f(ð/3)
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    2. matthew asked by matthew
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  7. 3tan (x- pi/5)-sqrt(3) =0
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    2. Dylan asked by Dylan
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  8. tan3x=(3tanx-tan^3x)/(1-3tan^2x)
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    2. Mayna asked by Mayna
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  9. 2+1/3tan(theta)=2I know that tan=0 0,180 But i don't know how to figure it out. Please help.
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    2. Sally asked by Sally
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  10. tan3θ = 3tanθ - tan^3θ/ 1-3tan^2θ
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    2. alex asked by alex
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