Evaluate | tan (3x) sec*(3x) dx. EXAMPLE 5 If we separate one sec2(3x) factor, we can express the remaining sec?(3x) factor in terms of tangent using the identity sec2(3x) = 1 + tan?(3x). SOLUTION We can then evaluate the integral by substituting u = tan(3x) so that du = dx. | = | tan (3x) sec*(3x) dx tan (3x) sec²(3x) sec²(3x) dx tan°(3x)(1 + tan?(3x)) sec²(3x) dx du 1 + du 27 + C + + 27 긁 tan®(3x) + C -|3. II
Evaluate | tan (3x) sec*(3x) dx. EXAMPLE 5 If we separate one sec2(3x) factor, we can express the remaining sec?(3x) factor in terms of tangent using the identity sec2(3x) = 1 + tan?(3x). SOLUTION We can then evaluate the integral by substituting u = tan(3x) so that du = dx. | = | tan (3x) sec*(3x) dx tan (3x) sec²(3x) sec²(3x) dx tan°(3x)(1 + tan?(3x)) sec²(3x) dx du 1 + du 27 + C + + 27 긁 tan®(3x) + C -|3. II
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter2: Graphical And Tabular Analysis
Section2.1: Tables And Trends
Problem 1TU: If a coffee filter is dropped, its velocity after t seconds is given by v(t)=4(10.0003t) feet per...
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