SUBJECT:MATHEMATICS LEVEL: 4 TOPIC 2: FUNCTIONS AND ALGEBRA
INTEGRAL OF TRIGONOMETRIC FUNCTIONS After completing this topic, you will be able to: β’ Find the indefinite integral of different trigonometric functions TSC-0-06-6992-2020-R00 MATHEMATICS LEVEL 4 2020-06-30 DPA/mlm Page 2
INTEGRAL OF TRIGONOMETRIC FUNCTIONS. β’ Lets find the integral of the form π‘ππ ππ¦ ππ¦ = βπππ‘ππ¦ + π find 1) π‘ππ6π¦ ππ¦ β’ = βπππ‘6π¦ + π 6 2) 3π‘ππ4π¦ ππ¦ β’ = 3 π‘ππ4π¦ ππ¦ β’ = β3πππ‘4π¦ + π 4 TSC-0-06-6992-2020-R00 MATHEMATICS LEVEL 4 2020-06-30 DPA/mlm Page 3
INTEGRAL OF TRIGONOMETRIC FUNCTIONS. β’ Lets find the integral of the form πππ‘ ππ¦ ππ¦ = π‘ππππ¦ + π β’ Find πππ‘2π¦ ππ¦ β’ = π‘ππ2π¦ + π 2 β’ 3πππ‘3π¦ ππ¦ β’ = πππ‘3π¦ + π TSC-0-06-6992-2020-R00 MATHEMATICS LEVEL 4 2020-06-30 DPA/mlm Page 4
ACTIVITY β’ FIND a) 3cosx + 2sin2x dx b) 2sin3x β 4cos2x dx c) (4sinx + 2cosx)dx TSC-0-06-6992-2020-R00 MATHEMATICS LEVEL 4 2020-06-30 DPA/mlm Page 5
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