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28. Given a right triangle A ABC in which the hypotenuse AB has length 1. Show that n= sin(A) and m=cos(A). If AB = k, show that n=k sin(A) and that m = k cos(A). B m

28. Given a right triangle A ABC in which the hypotenuse AB has length 1. Show that n= sin(A) and m=cos(A). If AB = k, show that n=k sin(A) and that m = k cos(A). B m

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section: Chapter Questions
Problem 28T
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28. Given a right triangle A ABC in which the hypotenuse AB has length 1. Show that n=sin(A) and m=cos(A). If AB= k, show that n=k sin(A) and that m = k cos(A). %3D %3D m
Transcribed Image Text:28. Given a right triangle A ABC in which the hypotenuse AB has length 1. Show that n=sin(A) and m=cos(A). If AB= k, show that n=k sin(A) and that m = k cos(A). %3D %3D m
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