Find all exact solutions on the interval [0, 2π). Look for opportunities to use trigonometric identities. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) sin2(x) − cos2(x) − sin(x) = 0 2. cos(2x) + cos(x) =
Find all exact solutions on the interval [0, 2π). Look for opportunities to use trigonometric identities. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) sin2(x) − cos2(x) − sin(x) = 0 2. cos(2x) + cos(x) =
Find all exact solutions on the interval [0, 2π). Look for opportunities to use trigonometric identities. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) sin2(x) − cos2(x) − sin(x) = 0 2. cos(2x) + cos(x) =
[0, 2π). Look for opportunities to use trigonometric identities. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)
sin2(x) − cos2(x) − sin(x) = 0
2. cos(2x) + cos(x) = 0
Equations that give the relation between different trigonometric functions and are true for any value of the variable for the domain. There are six trigonometric functions: sine, cosine, tangent, cotangent, secant, and cosecant.
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