The principal of solutions equation sin theta = -1/2 are
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a) 5π/6,π/6
b)7π/6,11π/6
c)π/6,7π/6
d)7π/6,π/6
Answers
Answered by
5
Answer:
sin theta = -1/2
As sin theta < 0
=> theta lies in third quadrant or fourth quadrant
theta = π + π/6 or 2π - π/6
theta = 7π/6 or 11π/6
Option B is CORRECT.
Answered by
0
Answer:
option b is correct answer........
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