For cos z cos 3z - sin z sin 3z =0, use an addition or subtraction formula to simplify the equation and then find all solutions of the equation in the interval [0, x). and 14 with z1 <12

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 64E
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SUMMARY
( Previo
4.
For cos I COs 3r
sin I sin 3z = 0, use an addition or subtraction formula to simplify the equation and then find all solutions of the equation in the interval [0, T).
-
and T4
with 11 < I2 < I3 < I4-
The answer is I1 =
I2 =
I3 =
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Transcribed Image Text:ITEMS SUMMARY ( Previo 4. For cos I COs 3r sin I sin 3z = 0, use an addition or subtraction formula to simplify the equation and then find all solutions of the equation in the interval [0, T). - and T4 with 11 < I2 < I3 < I4- The answer is I1 = I2 = I3 = Submit answer
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