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Calculus 2: Trigonometric substitution

Evaluate the integral dxx2+16\displaystyle \int \frac{dx}{\sqrt{x^2 + 16}} using trigonometric substitution.

Evaluate the integral xx27dx\displaystyle \int \frac{x}{\sqrt{x^2 - 7}} \, dx using trigonometric substitution.

Evaluate the indefinite integral 14x2dx\displaystyle \int \frac{1}{\sqrt{4-x^2}} \, dx.

Using the trigonometric substitution x=asec(θ)x = a \cdot \sec(\theta), simplify the expression involving the square root x2a2\sqrt{x^2 - a^2}.

Evaluate the integral x25x2dx\displaystyle \int \frac{x}{\sqrt{25 - x^2}} \, dx using trigonometric substitution.

Evaluate 2x21xdx\displaystyle \int \frac{\sqrt{2x^2 - 1}}{x} \, dx using trigonometric substitution.

Evaluate 4x2x2dx\displaystyle \int \frac{\sqrt{4 - x^2}}{x^2} \, dx from 2\sqrt{2} to 2 using trigonometric substitution.

Using trigonometric substitution, integrate the following expressions: a2x2\sqrt{a^2 - x^2}, a2+x2\sqrt{a^2 + x^2}, and x2a2\sqrt{x^2 - a^2}.

Integrate y2(16y2)3/2\frac{y^2}{(16-y^2)^{3/2}} with respect to yy.

Integrate x2+369x2\frac{\sqrt{x^2 + 36}}{9x^2} with respect to xx.

Evaluate the definite integral 918/3dttt281\displaystyle \int_{9}^{18/\sqrt{3}} \frac{dt}{t\sqrt{t^2 - 81}} using trigonometric substitution.

Find the area under the curve y=1x2y = \sqrt{1 - x^2} from x=0x = 0 to x=1x = 1 using trigonometric substitution.

Evaluate 0121x2dx\displaystyle \int_{0}^{\frac{1}{2}} \sqrt{1-x^2} \, dx using trigonometric substitution, where x=sinθx=\sin\theta.

Perform a trigonometric substitution for evaluating the integral involving inverse substitution where x=12ux=\frac{1}{2}u.

Evaluate the integral using trigonometric substitution where x=3sinθx = 3 \sin \theta for the expression involving 9x2\sqrt{9 - x^2}.

Use trigonometric substitution to solve the integral involving a square root: integrate from 3-3 to 33 the square root of 9x29 - x^2 dxdx.

Using trigonometric substitution, solve integrals that have integrals involving a2u2a^2 - u^2, a2+u2a^2 + u^2, and u2a2u^2 - a^2 inside the radical.

Using trigonometric substitution, solve integrals involving a2+u2a^2 + u^2 under the radical.

Integrate x316x2\frac{x^3}{\sqrt{16-x^2}} using trigonometric substitution.