Who was responsible for building the Great wall of China?
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The value of 1+tan2∅(1-sin2∅) is
If cos4θ-sin4θ=13 then the value of tan2θ is
The point equidistant from the vertices of a triangle is called its
___________ bears have white fur so that they are not easily visible in the snowy background.
Who was the pioneer of Chipko movement of 1973?
Where is the headquarters of the World Customs Organization (WCO) located?
The space shuttle which took Sunita Williams beyond earth was