Chapter 1 Lecture

Chapter 1 Lecture - MATH1010U: Chapter 1 cont 1 FUNCTIONS...

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MATH1010U: Chapter 1 cont… 1 FUNCTIONS AND MODELS Inverse Functions and Logarithms (Section 1.6, pg. 59) Inverse trigonometric functions: Recall: sin 6 = 2 1 So, what if you’re asked to solve sin 2 1 ) ( x ? Notation: In the above example, we want 2 1 sin 1 x . In Maple: > arcsin(1/2); To find an inverse, we must restrict the domain of the function to ensure that it’s one-to-one. 2 2 sin ) ( sin 1 y x y y x
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MATH1010U: Chapter 1 cont… 2 Application: A compound lens is made from crown glass ( n = 1.52) bonded to flint glass ( n = 1.89). What is the critical angle for light incident on the flint-crown interface? [Some physics background: Refraction is the bending of light at an interface between transparent mediums. Total internal reflection occurs when light propagating in a medium with refractive index 1 n is incident on an interface at an angle greater than the critical angle c given by
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This note was uploaded on 10/25/2011 for the course MATH 1010 taught by Professor Mihai during the Fall '08 term at UOIT.

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Chapter 1 Lecture - MATH1010U: Chapter 1 cont 1 FUNCTIONS...

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