Solve cos a = -0.8092 for all solutions x = [0, 27). Give approximations correct to four decimal places. Hint: use an inverse trigonometric function to help you find the solutions. smaller solution is a larger solution is a

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
Solve cos x = -0.8092 for all solutions x = [0, 2π).
Give approximations correct to four decimal places. Hint: use an inverse trigonometric function to help
you find the solutions.
smaller solution is a
larger solution is a
Transcribed Image Text:Solve cos x = -0.8092 for all solutions x = [0, 2π). Give approximations correct to four decimal places. Hint: use an inverse trigonometric function to help you find the solutions. smaller solution is a larger solution is a
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