Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter67: Analysis Of Trigonometric Functions
Section: Chapter Questions
Problem 15A: For each exercise, functions of two angles are given. Which of the functions of the two angles is...
Related questions
Question
Transcribed Image Text:sin' A
10.
Show that
= tan A
cos A- cos' A
Sin3A
Sin3 A
COSA -COS3A
COS A [1-COS A)
ニ Sin3A
Cos A SinzA
= Sin A
Cos A
= tan A o
11.
If sin 18 = 0.309, determine the value of cos 72.
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