To further justify the Cofunction Theorem, use your calculator to find a value for the givenpair of trigonometric functions. In each case, the trigonometric functions are cofunctionsof one another, and the angles are complementary angles. Round your answers to fourplaces past the decimal point.   sin 23  0   , cos 67  0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section: Chapter Questions
Problem 28RE
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To further justify the Cofunction Theorem, use your calculator to find a value for the given
pair of trigonometric functions. In each case, the trigonometric functions are cofunctions
of one another, and the angles are complementary angles. Round your answers to four
places past the decimal point.

 

sin 23    , cos 67  0

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