If cosA + cos2A = 1 then the value of sin2A + sin4A is
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The difference between the largest and the smallest angles of a triangle whose angles are in the ratio of 5:3:10 is
If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?
In ∆ ABC, the height CD intersects AB at D. The midpoints of AB and BC are P and Q respectively. If AD = 8 cm and CD = 6 cm, then the length of PQ is?
Who among the following was the first to make use of artillery in warfare in medieval India?
What did J. B. Dunlop invent?
Highest Civilian Honour received by Azim Premji is
Shabana Azmi is not one of the following