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(MTH 250). Calculus. Lecture 4. Previous Lecture’s Summary. Symmetry test Algebraic operations on functions Composition of functions Trigonometric functions Inverse of a function Domain and range of inverse functions Horizontal line test. Today’s Lecture. Logarithmic functions.
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(MTH 250) Calculus Lecture 4
Previous Lecture’s Summary • Symmetry test • Algebraic operations on functions • Composition of functions • Trigonometric functions • Inverse of a function • Domain and range of inverse functions • Horizontal line test
Today’s Lecture • Logarithmic functions. • Inverse trigonometric functions • Introduction to limits • One sided limits • Limits that don’t exist • Vertical asymptotes • Laws of limit
y x Inverse trigonometric functions y = sinx y = sin–1x
y y = sin–1x y = sin–1x x –1 –1 1 1 y 1 x –1 Inverse trigonometric functions y = sinx
y y = cos–1x x 0 –1 1 Inverse trigonometric functions
Limits that don’t exist 2 1 1 2 3 4
Vertical Asymptotes vertical asymptote at x=0.
Lecture Summary • Logarithmic functions. • Inverse trigonometric functions • Introduction to limits • One sided limits • Limits that don’t exist • Vertical asymptotes • Laws of limit