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Byju's Answer
Standard IX
Mathematics
If Two Sides of a Triangle Are Unequal, Then the Angle Opposite to the Greater Side Is Greater Than Angle Opposite to the Smaller Side
csc 20 20 is ...
Question
c
s
c
20
sec
20
is equal to _____ .
A
2
csc
40
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B
2
sec
20
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C
2
csc
20
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D
2
sec
40
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Solution
The correct option is
A
2
csc
40
Given
csc
20
sec
20
⟹
1
sin
20
cos
20
2
2
sin
20
cos
20
2
sin
2
(
20
)
2
sin
40
2
csc
40
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