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OpenStudy (anonymous):
Solve on the interval [0,2π): A. 7π/6, 11π/6 B. π/6, 5π/6 C. π/3, 5π/3 D. 2π/3, 4π/3
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OpenStudy (anonymous):
Kassia what should i solve
OpenStudy (anonymous):
could be sin x = -1/2 in which case A!! medal plz!!
OpenStudy (anonymous):
sorry, 4secx+6=-2
OpenStudy (anonymous):
oh!
OpenStudy (anonymous):
secx = -2.... cosx = -1/2 x = pi/3
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OpenStudy (anonymous):
x = 2pi/3
OpenStudy (anonymous):
D will be good
OpenStudy (anonymous):
4/cosx = -8 cos x = -1/2 x = 2pi/3 , 4pi/3 D
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