Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2ñ). (Enter your answers as a comma-separated list.) cos(20) + sin²(e) = 0

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter8: Complex Numbers And Polarcoordinates
Section8.3: Products And Quotients In Trigonometric Form
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Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2x). (Enter your answers as a comma-separated list.)
cos(20) + sin?(0) = 0
Transcribed Image Text:Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2x). (Enter your answers as a comma-separated list.) cos(20) + sin?(0) = 0
Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2x). (Enter your answers as a comma-separated list.)
cos(20) + cos(0) = 2
Transcribed Image Text:Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2x). (Enter your answers as a comma-separated list.) cos(20) + cos(0) = 2
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