16. Solve the following for 0 ≤ x ≤ 2π. Where appropriate, use the exact value. a. cos²x = 4 b. 2sin2x + sinx - 1 = 0 C. 6cosxsinx - 4 = 0 d. 2tan2x + tanx - 3 = 0
16. Solve the following for 0 ≤ x ≤ 2π. Where appropriate, use the exact value. a. cos²x = 4 b. 2sin2x + sinx - 1 = 0 C. 6cosxsinx - 4 = 0 d. 2tan2x + tanx - 3 = 0
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:16. Solve the following for 0 ≤ x ≤ 2π. Where appropriate, use the exact value.
a.
cos²x
=
4
b. 2sin2x + sinx - 1 = 0
C. 6cosxsinx - 4 = 0
d. 2tan2x + tanx - 3 = 0
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