KEAM 2010 Math Paper

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Question : 67 of 120

Marks: +1, -0

The value of ‌

cos‌30∘+i‌sin‌30∘

cos‌60∘−i‌sin‌60∘

is equal to

i
−i
‌
1+√3i
2
‌
1−√3i
2
1+i

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