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Standard X
Mathematics
Question
sin
2
62
∘
−
cos
2
28
∘
Open in App
Solution
Verified by Toppr
sin
2
62
∘
−
cos
2
28
∘
=
sin
2
(
90
−
28
)
∘
−
cos
2
28
∘
=
cos
2
28
∘
−
cos
2
28
∘
=
0
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Similar Questions
Q1
sin
2
62
∘
−
cos
2
28
∘
View Solution
Q2
(cos
2
28° − sin
2
62°) = ?
(a) 0
(b) 1
(c) 2
(d) None of these
View Solution
Q3
Prove that
(
sin
2
73
°
+
sin
2
17
°
)
(
cos
2
28
°
+
cos
2
62
°
)
=
1
.
View Solution