If A+B+C = 180°, then what is sin2A – sin2B – sin2C equal to?
–4 sinA sinB sinC
–4 cosA sinB cosC
–4 cosA cosB sinC
–4 sinA cosB cosC
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy