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Byju's Answer
Standard XII
Mathematics
Sum of Trigonometric Ratios in Terms of Their Product
The value of ...
Question
The value of
sin
10
o
cos
80
o
is :
A
0
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B
1
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C
2
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D
3
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Solution
The correct option is
B
1
The value of
sin
10
o
cos
80
o
is
=
sin
10
o
cos
(
90
o
−
10
o
)
=
sin
10
o
sin
10
o
=
1
Suggest Corrections
0
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Sum of Trigonometric Ratios in Terms of Their Product
Standard XII Mathematics
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