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Byju's Answer
Standard X
Mathematics
Relation between Trigonometric Ratios
tan 30∘ 60∘=?...
Question
tan
30
°
cot
60
°
=
?
(a)
1
2
(b)
1
3
(c)
3
(d) 1
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Solution
(d) 1
t
a
n
30
°
c
o
t
60
°
=
t
a
n
30
°
t
a
n
60
°
∵
tan
θ
=
1
c
o
t
θ
=
1
3
×
3
=
1
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3
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Q.
tan 5° tan 25° tan 30° tan 65° tan 85° = ?
(a)
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(b)
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Q.
cos
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cosec
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tan
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tan
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tan
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tan
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(b)
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Q.
The value of sin
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sin
-
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8
is
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2
(b)
1
3
(c)
1
2
2
(d)
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Q.
Evaluate:
tan
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∘
cot
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∘
Q.
−5 − (−8) = ?
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(c) −3
(d) none of these
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