Share Step 18 Precalculus Quiz Review (Solving Trig Equations)
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Solve for all values of x: cos x = 3 cos x – 2
0 + 2npi
Solve for all values of x: 2 sin^2 x – 1 = 0
pi/4, 3pi/4, 5pi/4, 7pi/4 all +2npi
Solve for all values of x: √(cos x) = 2 cos x – 1
0 + 2npi
Solve for all values of x: 2 sin^2 x – 5 sin x + 2 = 0
pi/6, 5pi/6, both +2npi
Find all solutions on the interval [0,2pi): sec^2 x + tan x = 1
0, 3pi/4, pi, 7pi/4
Find all solutions on the interval [0,2pi): 3 tan x – √3 = 0
pi/6, 7pi/6
Find all solutions on the interval [0,2pi): 4 sin^2 x – 4 sin x + 1 = 0
pi/6, 5pi/6
Find all solutions on the interval [0,2pi): 4 cos^2 x – 1 = 0
pi/3, 2pi/3, 4pi/3, 5pi/3
Find all solutions on the interval [0,2pi): (cos^3 x)/(sin x) = cot x
pi/2, 3pi/2
Find all solutions on the interval [0,2pi): tan x sin^2 x = 3 tan x
0, pi
