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Byju's Answer
Standard XII
Mathematics
Trigonometric Ratios of Compound Angles
If tan x=3 x ...
Question
If tan x = 3 cot x then x = ?
(a) 60°
(b) 45°
(c) 30°
(d) 15°
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Solution
Given: tanx = 3cotx
tan
x
=
3
cot
x
⇒
tan
x
=
3
1
tan
x
∵
cot
x
=
1
tan
x
⇒
tan
2
x
=
3
⇒
tan
x
=
3
⇒
x
=
60
°
∵
tan
60
°
=
3
Hence
,
the
correct
option
is
a
.
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3
Similar questions
Q.
If tan x = 3 cot x, then x = ?
(a) 45°
(b) 60°
(c) 30°
(d) 15°
Q.
If
c
o
t
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c
o
s
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∘
+
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60
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and
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___
___
___
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Q.
If the angles of a triangle are
x
∘
,
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x
∘
and
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x
∘
,
then find the value of
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.
Q.
If
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tan
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θ
-
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=
0
then
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=
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(a) 15°
(b) 30°
(c) 45°
(d) 60°
Q.
If
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(a) 15°
(b) 30°
(c) 45°
(d) 60°
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