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Standard X
Mathematics
Question
State true or false.
If A =
30
∘
, then
s
i
n
(
60
∘
+
A
)
−
s
i
n
(
60
∘
−
A
)
=
c
o
s
A
.
True
False
A
True
B
False
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Solution
Verified by Toppr
Given,
A
=
30
∘
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Similar Questions
Q1
State true or false.
If A =
30
∘
, then
s
i
n
(
60
∘
+
A
)
−
s
i
n
(
60
∘
−
A
)
=
c
o
s
A
.
View Solution
Q2
If
sin
(
60
∘
+
30
∘
)
=
sin
60
∘
cos
30
∘
+
sin
30
∘
cos
60
∘
then what is the value of
sin
(
60
∘
+
30
∘
)
.
=?
View Solution
Q3
If A =
30
∘
then
sin
(
A
+
30
∘
)
+
cos
(
A
+
60
∘
)
=
cos
A
State true or false.
View Solution
Q4
sin
(
60
∘
+
30
∘
)
=
_______.
View Solution
Q5
State whether the following statement is true or false.
If
cos
A
+
cos
2
A
=
1
,
then
sin
2
A
+
sin
4
A
=
1.
View Solution