(-v3 - 4) 2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 72E
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(-v3+1) "
() )
+i sin
3.
COS
27
+i sin
1
27
COS
4
3
27
+i sin
2T
COS
Transcribed Image Text:(-v3+1) " () ) +i sin 3. COS 27 +i sin 1 27 COS 4 3 27 +i sin 2T COS
Recali de Moivre's theorem which states that forall dERandnE 4it holds that
(cos 0-sin 0i)"- cos(nd) + sin(n0)2 or equivalently (e")" = e'nd
Using this or by an alternative way, determine which option(s) represent(s) an equivalent expression to
2
COS
+2 sin
COS
COS
sin
Transcribed Image Text:Recali de Moivre's theorem which states that forall dERandnE 4it holds that (cos 0-sin 0i)"- cos(nd) + sin(n0)2 or equivalently (e")" = e'nd Using this or by an alternative way, determine which option(s) represent(s) an equivalent expression to 2 COS +2 sin COS COS sin
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