Answer
x=4tanθ;y=4/cosθ.
Work Step by Step
tanθ=x/4;
x=4tanθ;
cosθ=4/y;
y=4/cosθ.
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 6 - Section 6.2 - Trigonometry of Right Triangles - 6.2 Exercises - Page 487: 22
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