Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 2 - Quiz (Sections 2.1-2.3) - Page 71: 15



Work Step by Step

Step 1: Since tangent and cotangent are cofunctions, the sum of their angles is equal to $90^{\circ}$, $(90^{\circ}-35^{\circ})+35^{\circ}=90^{\circ}$ Step 2: Solving, $55^{\circ}+35^{\circ}=90^{\circ}$ Step 3: $90^{\circ}=90^{\circ}$ Step 4: Therefore, the statement is true.
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