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Byju's Answer
Standard XII
Mathematics
Allied Angles
sin2θ is equa...
Question
sin
2
θ
is equal to
1
−
cos
2
θ
.
A
True
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B
False
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Solution
The correct option is
A
True
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Similar questions
Q.
s
i
n
θ
+
s
i
n
2
θ
1
+
c
o
s
θ
+
c
o
s
2
θ
is equal to
Q.
The value of
s
i
n
2
θ
−
c
o
s
2
θ
is equal to 1
Q.
cos 2θ cos 2ϕ + sin
2
(θ – ϕ) – sin
2
(θ + ϕ) is equal to
(a) sin 2 (θ + ϕ)
(b) cos 2 (θ + ϕ)
(c) sin 2 (θ – ϕ)
(d) cos 2 (θ – ϕ)
Q.
Prove that:
1
−
c
o
s
2
θ
+
s
i
n
2
θ
1
+
c
o
s
2
θ
+
s
i
n
2
θ
=
t
a
n
θ
Q.
The trigonometric equation
1
−
sin
θ
1
+
sin
θ
is equal to
[Given,
sin
2
θ
+
cos
2
θ
=
1
]
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