Chapter 5: Q.8 (page 495)
Double-angle identities: Use double-angle identities to rewrite each of the following trigonometric expressions until no exponents are involved.
Chapter 5: Q.8 (page 495)
Double-angle identities: Use double-angle identities to rewrite each of the following trigonometric expressions until no exponents are involved.
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Find three integrals in Exercises 21โ70 in which the denominator of the integrand is a good choice for a substitution u(x).
Describe two ways in which the long-division algorithm for polynomials is similar to the long-division algorithm for integers and then two ways in which the two algorithms are different.
Give an example of an integral for which trigonometric substitution is possible but an easier method is available. Then give an example of an integral that we still donโt know how to solve given the techniques we know at this point.
Solve the integral:
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