SEC 8.2: TRIGONOMETRIC INTEGRALS

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Presentation transcript:

SEC 8.2: TRIGONOMETRIC INTEGRALS Example Find Example Find

1 1 2 2 TRIGONOMETRIC INTEGRALS to express the remaining factors in terms of cos to express the remaining factors in terms of sin

TRIGONOMETRIC INTEGRALS 1 2 sometimes helpful to use

Find Eliminating Square Roots TRIGONOMETRIC INTEGRALS we use the identity to eliminate a square root. Example Find

Find Find TRIGONOMETRIC INTEGRALS We can use a similar strategy to evaluate integrals of the form Example Find Example Find

1 1 2 2 TRIGONOMETRIC INTEGRALS to express the remaining factors in terms of sec to express the remaining factors in terms of tan

EXAM-2 Term-082

TRIGONOMETRIC INTEGRALS the guidelines are not as clear-cut. We may need to use identities, integration by parts, and occasionally a little ingenuity.

Find TRIGONOMETRIC INTEGRALS the guidelines are not as clear-cut. We may need to use identities, integration by parts, and occasionally a little ingenuity. Example If an even power of tangent appears with an odd power of secant, it is helpful to express the integrand completely in terms of sec x Find Powers of sec x may require integration by parts, as shown in the following example.

TRIGONOMETRIC INTEGRALS Example Find

REMARK TRIGONOMETRIC INTEGRALS Integrals of the form can be found by similar methods because of the identity

1 1 2 2 to express the remaining factors in terms of csc to express the remaining factors in terms of cot

EXAM-2 Term-122

Product of Sines and Cosines EXAM-2 Term-122

Powers of tan x and sec x Eliminating Square Roots TRIGONOMETRIC INTEGRALS Powers of Sines and Cosines Products of Sines and Cosines TRIGONOMETRIC INTEGRALS Powers of tan x and sec x Eliminating Square Roots

EXAM-2 Term-092 EXAM-2 Term-092

TRIGONOMETRIC INTEGRALS function of tan and sec function of Sines and Cosines TRIGONOMETRIC INTEGRALS function of cot and csc EXAM-2 Term-092

EXAM-2 Term-092

EXAM-2 Term-092

EXAM-2 Term-092