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Byju's Answer
Standard XII
Mathematics
Sum of Trigonometric Ratios in Terms of Their Product
cot2 - cosec2...
Question
c
o
t
2
−
c
o
s
e
c
2
θ
=
...............
(
0
<
θ
<
90
)
A
-1
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B
1
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C
0
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D
Not defined
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Solution
The correct option is
A
-1
We know that,
1
+
c
o
t
2
θ
=
c
o
s
e
c
2
θ
⇒
c
o
t
2
θ
−
c
o
s
e
c
2
θ
=
−
1
Hence, option A is correct.
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0
Similar questions
Q.
If
sin
θ
=
3
4
, prove that
cosec
2
θ
-
cot
2
θ
sec
2
θ
-
1
=
7
3
.