Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 5 - Section 5.2 - Trigonometric Functions of Real Numbers - 5.2 Exercises: 1

Answer

Fill the blanks with y,$\qquad $x,$\qquad $and$\displaystyle \qquad \frac{y}{x}$

Work Step by Step

See p. 409, Definition of the Trigonometric Functions Let $P(x, y)$ be the terminal point on the unit circle determined by the real number $t$. Then for nonzero values of the denominator the trigonometric functions are defined as follows. $\sin t=y \qquad \cos t=x\qquad \displaystyle \tan t=\frac{y}{x}$ $\displaystyle \csc t=\frac{1}{y}\qquad \displaystyle \sec t=\frac{1}{x}\qquad \displaystyle \cot t=\frac{x}{y}$ ------------------ Fill the blanks with y,$\qquad $x,$\qquad $and$\displaystyle \qquad \frac{y}{x}$
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