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Byju's Answer
Standard XI
Mathematics
Principal Solution of Trigonometric Equation
Find the prin...
Question
Find the principal solution of the following equation:
tan
x
=
√
3
A
x
=
π
3
and
x
=
4
3
π
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B
x
=
π
2
and
x
=
1
3
π
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C
x
=
π
4
and
x
=
2
3
π
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D
x
=
3
and
x
=
4
3
π
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Solution
The correct option is
A
x
=
π
3
and
x
=
4
3
π
We have,
tan
x
=
√
3
tan
x
=
tan
(
π
3
)
x
=
π
/
3
−
−
−
−
−
−
e
q
n
(
1
)
Put again equation
tan
x
=
tan
(
π
+
π
3
)
x
=
4
π
3
−
−
−
−
−
−
e
q
n
(
2
)
From equation
(
1
)
and
(
2
)
x
=
π
3
,
4
π
3
Hence this is the answer.
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