Question

Please help. Calculus

Answer 1

\[ \int\limits x^3/\sqrt(x^2+36) dx \text(; ) x=6 \tan(\theta) \]

Answer 2

i guess you use \(x=6\tan(\theta) dx =6\sec^2\theta d\theta\)

Answer 3

I don't know how to sketch the triangle. I got the answer

Answer 4

\[x=6\tan(\theta), \tan(\theta)=\frac{x}{6}\]

Answer 5

there is the picture of an angle whose tangent is x/6

Answer 6

Thank you. I dont have to put anything on the side of the triangle that has nothing written there

Answer 7

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