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4π 4π T Lat=₁ = 3( cos + + + sin ) and 2₁ = 6( cos + + + sin =) +i i COS- 7 Find the following. Write your answers in trigonometric form. Give exact values in your answers (not decimal approximations). J (a) ²₁²₂2 = (cos(+ i sin ¹0) 5 ? ²1 - (b) (cos+ i sin ()) ²2 = 0/0 X

4π 4π T Lat=₁ = 3( cos + + + sin ) and 2₁ = 6( cos + + + sin =) +i i COS- 7 Find the following. Write your answers in trigonometric form. Give exact values in your answers (not decimal approximations). J (a) ²₁²₂2 = (cos(+ i sin ¹0) 5 ? ²1 - (b) (cos+ i sin ()) ²2 = 0/0 X

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 16E
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4π T Let 2 - 3( cos + sin) and 2, 6( cos+ i sin ) COS i =2 COS = 9 4 Find the following. Write your answers in trigonometric form. Give exact values in your answers (not decimal approximations). J (a) ²₁ ²₂ = (cos(+ i sin ¹0) ²1 - (b) (cos+ i sin )) 72 00 X Ś ?
Transcribed Image Text:4π T Let 2 - 3( cos + sin) and 2, 6( cos+ i sin ) COS i =2 COS = 9 4 Find the following. Write your answers in trigonometric form. Give exact values in your answers (not decimal approximations). J (a) ²₁ ²₂ = (cos(+ i sin ¹0) ²1 - (b) (cos+ i sin )) 72 00 X Ś ?
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