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Byju's Answer
Standard XII
Mathematics
Domain
Find the prin...
Question
Find the principal solutions of the following equations.
s
i
n
x
=
−
1
2
.
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Solution
sin
x
=
−
1
/
2
Thus genral solution
⟹
x
=
n
π
+
(
−
1
)
n
(
−
π
/
2
)
So, solutions are
⟹
−
π
6
,
7
π
6
,
.
.
.
.
So, principle solution
=
−
π
/
6
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