2.3: Double-Angle and Half-Angle Formulas 4. Given that cos 0 and 180° < 0 < 360°,...

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Question

2.3: Double-Angle and Half-Angle Formulas

Answer 1

Answer #1

sl coso = 33. 1802823600 Sing = + (1 - caso Sing - ? 180 2 82360 Second quadsont sind is positive $9 <180 e cos y - 1+ÇOS 2 [

Answer 2

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