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Question
Select the correct option from the given alternatives:
The principal solutions of equation sin θ = `- 1/2` are ______.
Options
`(5pi)/6, pi/6`
`(7pi)/6, (11pi)/6`
`pi/6, (7pi)/6`
`(7pi)/6, pi/3`
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Solution
The principal solutions of equation sin θ = `- 1/2` are `bb(underline((7pi)/6, (11pi)/6)`.
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