In Exercises 121-126, solve each equation on the interval [0, 27). V3 121. |cos x| : 2 122. |sin x| 123. 10 cos x + 3 sin x – 9 = 0 124. 3 cos x - sin x = cos² x 125. 2 cos x + cosr – 2 cos x – 1 = 0 (Hint: Use factoring by grouping.) 126. 2 sin x – sin x - 2 sin x + 1 = 0 (Hint: Use factoring by grouping.)
In Exercises 121-126, solve each equation on the interval [0, 27). V3 121. |cos x| : 2 122. |sin x| 123. 10 cos x + 3 sin x – 9 = 0 124. 3 cos x - sin x = cos² x 125. 2 cos x + cosr – 2 cos x – 1 = 0 (Hint: Use factoring by grouping.) 126. 2 sin x – sin x - 2 sin x + 1 = 0 (Hint: Use factoring by grouping.)
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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