If cos4θ-sin4θ=13 then the value of tan2θ is
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To cover a certain distance with a speed of 60 km/hr, a train takes 15 hours. If it covers the same distance in 12 hours, what will be its speed?
During their rule the British persuaded or forced cultivators in Assam to grow __________.
Who was Babur's Son?
......... is a deliquescent compound.
Which among the following is used to generate light, to weld metals?
Which of the following gases is known as "Laughing Gas"?
Which of the following elements has the lowest melting point?