Show that if tan = c and 0 < /2, then cos = 1/

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Show that if tanθ = c and 0 ≤ θ < π/2, then cos θ = 1/ √1 + c2.
Draw a right triangle whose opposite and adjacent sides have lengths c and 1.

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Introduction to graph theory

ISBN: 978-0131437371

2nd edition

Authors: Douglas B. West

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Question Posted: May 03, 2016 02:29 AM

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Show that if tan = c and 0 < /2, then cos = 1/

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Because 0 2 we can use the definition of the trigo...View the full answer

Introduction to graph theory

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