UPSC 2016 CDS I Math Paper

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Question : 23 of 100

Marks: +1, -0

(‌

sin‌35∘

cos‌55∘

)2−(‌

cos‌55∘

sin‌35∘

)2+2‌sin‌30∘

is equal to

[2016 CDS-I]

-1
0
1
2

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