In the following Exercises, use a suitable change of variables to determine the indefinite integral. 287. ∫ ( sin 2 θ − 2 sin θ ) ( sin 3 θ − 3 sin 2 θ ) 3 cos θ d
In the following Exercises, use a suitable change of variables to determine the indefinite integral. 287. ∫ ( sin 2 θ − 2 sin θ ) ( sin 3 θ − 3 sin 2 θ ) 3 cos θ d
In the following Exercises, use a suitable change of variables to determine the indefinite integral.
287.
∫
(
sin
2
θ
−
2
sin
θ
)
(
sin
3
θ
−
3
sin
2
θ
)
3
cos
θ
d
With differentiation, one of the major concepts of calculus. Integration involves the calculation of an integral, which is useful to find many quantities such as areas, volumes, and displacement.
Use the formula
sin-1(u) du = u sin-(u) + V1 – u? + C
to evaluate the following integral.
x arcsin(4x?) dx
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dx
x² +9
2.
Use an appropriate trigonometric substitution to rewrite J
as
J(a simplified trig function of 0) d0. Carefully show your work
with differentials and use of trig identities to help simplify.
Then find the integral. Show any use of substitutions and reasoning with right triangles.
1
-dx
2x + 4
Use SUBSTITUTION to evaluate the definite integral to three decimal places.
Clearly demonstrate the following steps in order to earn full credit:
a) What is "u"? What is "du"?
b) Rewrite the integral in terms of u and du.
c) Evaluate the integral.
d) Evaluate the solution. Round final answer to 3 decimal places.
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