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37–42 - Using a Half-Angle Formula Find sin cos- and tan - from the given information. 37. sin x = }, 0° < x< 90° 38. cos x = -. 180°

37–42 - Using a Half-Angle Formula Find sin cos- and tan - from the given information. 37. sin x = }, 0° < x< 90° 38. cos x = -. 180°

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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37–42 - Using a Half-Angle Formula Find sin cos- and tan - from the given information. 37. sin x = }, 0° < x< 90° 38. cos x = -. 180° <x< 270° 39. csc x = 3, 90° <x< 180° 40. tan x = 1, 0°<x<90° 41. sec x = , 270° <x< 360° 42. cot x = 5, 180° <x< 270°
Transcribed Image Text:37–42 - Using a Half-Angle Formula Find sin cos- and tan - from the given information. 37. sin x = }, 0° < x< 90° 38. cos x = -. 180° <x< 270° 39. csc x = 3, 90° <x< 180° 40. tan x = 1, 0°<x<90° 41. sec x = , 270° <x< 360° 42. cot x = 5, 180° <x< 270°
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