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Byju's Answer
Standard XII
Mathematics
Evaluation of a Determinant
tan theta - c...
Question
tan theta - cot theta = 2sin
2
theta-1/ sintheta x costheta
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Solution
LHS
=
tan
θ
-
cot
θ
=
sin
θ
cos
θ
-
cos
θ
sin
θ
=
sin
2
θ
-
cos
2
θ
sin
θ
.
cos
θ
=
sin
2
θ
-
1
-
sin
2
θ
sin
θ
.
cos
θ
=
2
sin
2
θ
-
1
sin
θ
.
cos
θ
=
RHS
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Similar questions
Q.
If
sin
θ
=
0.8
and
θ
lies in
2
n
d
quadrant. Find the value of
cos
θ
.
Given,
sin
2
θ
+
cos
2
θ
=
1
Q.
Is the identity
tan
θ
1
−
cot
θ
+
cot
θ
1
−
tan
θ
=
1
+
tan
θ
+
cot
θ
true or false?
Q.
Prove:
tan
θ
1
−
cot
θ
+
cot
θ
1
−
tan
θ
=
1
+
tan
θ
+
cot
θ
Q.
Solve:
tan
θ
1
−
cot
θ
+
cot
θ
1
−
tan
θ
=
1
+
tan
θ
+
cot
θ
Q.
Prove that :
t
a
n
Θ
1
−
c
o
t
Θ
+
c
o
t
Θ
1
−
t
a
n
Θ
=
1
+
t
a
n
Θ
+
c
o
t
Θ
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