Verify the identity algebraically. Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.) 8 cos(x) minus 8 cos(x) divided by 1 minus tan(x) equals 8 sin(x) cos(x) divided by sin(x) minus cos(x). 8 cos(x) − 8 cos(x) 1 − tan(x) = 8 sin(x) cos(x) sin(x) − cos(x)
Verify the identity algebraically. Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.) 8 cos(x) minus 8 cos(x) divided by 1 minus tan(x) equals 8 sin(x) cos(x) divided by sin(x) minus cos(x). 8 cos(x) − 8 cos(x) 1 − tan(x) = 8 sin(x) cos(x) sin(x) − cos(x)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 65E
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Verify the identity algebraically. Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.)
8 cos(x) minus 8 cos(x) divided by 1 minus tan(x) equals 8 sin(x) cos(x) divided by sin(x) minus cos(x).
8 cos(x) −
8 cos(x) |
1 − tan(x) |
=
8 sin(x) cos(x) |
sin(x) − cos(x) |
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