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Tardigrade
Question
Mathematics
The value of sin2 51° + sin2 39° is
Q. The value of
sin
2
5
1
∘
+
sin
2
3
9
∘
is
9567
191
KCET
KCET 2020
Trigonometric Functions
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A
1
36%
B
0
25%
C
sin
1
2
∘
20%
D
cos
1
2
∘
19%
Solution:
sin
2
5
1
∘
+
sin
2
3
9
∘
=
cos
2
3
9
∘
+
sin
2
3
9
∘
=
1