Who discovered radioactivity?
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If 2y cosθ = x sinθ and 2x secθ - y cosecθ = 3 then what is the value of x2+4y2
What is the simplified value of (cotA + tan B)/(cot B + tan A)?
The material used in electric heater is
The original constitution of India was published in?
Selling cost have to be incurred in case of
Which country became seventh member of South Asia Sub regional Economic Cooperation (SASEC) on 31 March 2017?
2016 Hemis festival was held in ______.