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a fire in a building b is reported on telephone to two fire stations p and q 10km apart from each other on a straight road p observes that the
a vertical post stands on a horizontal plane the angle of elevation of the top is 60o and that of a point x metre be the height of the post then
the angle of elevation of a jet fighter from a point a on the ground is 600 after a flight of 15 seconds the angle of elevation changes to 300 if the
from a window x meters high above the ground in a street the angles of elevation and depression of the top and the foot of the other house on the
since fluorine is very electronegative as a result hydrogen develop a very positive characteras a result the h-bonding is very tough because of large
the angle of elevation of the top of a tower from a point on the same level as the foot of the tower is alpha on advancing p meters towards the foot
apply the concept of partial fraction and add the corresponding termsthe terms will get cut automatically leaving the first and last
2 kg of ice at -20 degree c is diverse with 5kg of water 20 degree c in an insulating vessel having negligible heat capacity measure the final mass
a solvated electron is a free electron in solvated in a solution and is the least possible anion solvated electrons happen widely although they are
no it does not depend upon concentrations of reactantsfrom the arrhenius equation k ae-eartwe can say that it is dependent on activation
if a mole were to have 11024 particles what is the weight of one mole of oxygen molecule and 1 molecule of oxygenans since the gram molecular mass
a body has a weight w kg on the surface of earth what will be its weight on the surface of moon in gravitational units of force and si unitsans mass
if arg ab pi2 then find the value of aba-b where ab are complex numbersans arg ab pi2tan-1 ab pi2ab tanp2 therefore abinfinityor
cannon of mass 5m having a shell of mass m is at rest on a smooth horizontal ground fires the shell with its barrel at an angle a with the horizontal
darien agrees to sponsor her sister 8 plus 1 for every mile she walkswrite an expression to show her total
in a garden 18 of the flowers are tulips 14 of the tulips are rd what fraction of the flowers in the garden are red
how to calculate the student t test step by step when the mean of heart rate at 1 minute is 50172229831076570197 and for breathing rate it is
what is the value of tan in terms of sinans tan sincostan sin radic1 -
2sin 6cos6 - 3sin4cos41 0ans sin23 cos23-3 sin4cos410consider sin23 cos23rarrsin2cos23-3 sin2cos2 sin2cos2 1-
if 7 cosec-3cot 7 prove that 7cot - 3cosec 3ans 7 cosec-2cot7pt 7cot - 3 cosec37
asolve for if tan5 1ans tan 5 1 rarr 455 rarr 9obsolve for if sin1 cos 1 cos sin 4
if a b are acute angles and sina cosb then find the value of abans a b
if seca x14x prove that secatana2x or 12xans sec x 14xrarr sec2 x
if cossin radic2 cos prove that cos - sin radic2 sin ans cos sin radic2 cosrarr cos sin2
if 7sin23cos2 4 show that tan 1radic3