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Byju's Answer
Standard IX
Mathematics
Complementary Trigonometric Ratios
The value of ...
Question
The value of
tan
15
∘
cot
75
∘
is
A
cos
90
∘
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B
sin
30
∘
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C
tan
45
∘
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D
cosec
75
∘
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Solution
The correct option is
C
tan
45
∘
tan
15
∘
=
tan
(
90
−
75
∘
)
=
cot
75
∘
∴
tan
15
∘
cot
75
∘
=
cot
75
cot
75
=
tan
45
=
1
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