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BIS or Bank of International Settlement, was established in 1930. Its head office is in Basel, Switzerland and it has two representative offices: in Hong Kong SAR and in Mexico City. BIS serves central banks in their pursuit of monetary and financial stability, to foster international cooperation in those areas and to act as a bank for central banks.
If tan A = 1 and tan B = √ 3, what is the value of cos A . cos B - sin A . sin B?
A tower is 60 meters high. From a point on the ground, the angle of elevation of the top of the tower is 30°. Find the distance of the point from the b...
If tanθ = x then find the value of cos 2θ?
The minimum value of 3 sin2 θ + 4 cos2 θ is
...If cos θ + sec θ = √2, then the value of cos³ θ+ sec³ θ is:
Given that tan(A+B) = √3 and tan(A-B) =1/√3, find the values of A and B.