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Lecture 3

# MTH 240 Lecture 3: MTH240-SEC7.3 Premium

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School
Ryerson University
Department
Mathematics
Course
MTH 240
Professor
Jonah Horowitz
Semester
Winter

Description
7.3 TRIGONOMETRIC SUBSTITUTIONS l. If the integral contains the expression Va x then we use the substitution x- a sin where 2 And use the identity cos2 x 1-sin x Example: integrate 2 x 16-x 2 Sri Code when do Th do Cut G 7.3 TRIGONOMETRIC SUBSTITUTIONS l. If the integral contains the expression Va x then we use the substitution x- a sin where 2 And use the identity cos2 x 1-sin x Example: integrate 2 x 16-x 2 Sri Code when do Th do Cut GExample: integrate ridr V 6 -x V36-x2 6 Cose da Tle do 2. If the integral contains the expression Va x then we use the substitution x atan ere 2 sos And use the identity sec x an x Example: integrate ridr V 6 -x V36-x2 6 Cose da Tle do 2. If the integral contains the expression Va x then we use the substitution x atan ere 2 sos And use the identity sec x an xExample: integrate J 4 x 2 tX let 2 tan 2. Sec. G 2. Example: integrate (x2 +1) take X- o take X Seco da an A Example: integrate
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