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Byju's Answer
Standard XII
Mathematics
Trigonometric Ratios of Multiples of an Angle
If x tan 45∘c...
Question
If x tan 45° cos 60° = sin 60°cot 60° then x = ?
(a) 1
(b)
1
2
(c)
1
2
(d)
3
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Solution
As we know that,
tan
45
°
=
1
cos
60
°
=
1
2
sin
60
°
=
3
2
cot
60
°
=
1
3
By
substituting
these
values
,
we
get
x
tan
45
°
cos
60
°
=
sin
60
°
cot
60
°
⇒
x
1
1
2
=
3
2
1
3
⇒
x
2
=
1
2
⇒
x
=
1
Hence
,
the
correct
option
is
a
.
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Similar questions
Q.
If x tan 45° cos 60° = sin 60° cot 60°, then x is equal to
(a) 1
(b)
3
(c)
1
2
(d)
1
2