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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
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
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
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
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
if sin 12 show that 3cos-4cos3 0ans sin frac12rarr 30osubstituting in place of 30o we get
prove that sec2thetacosec2theta can never be less than 2ans st sec2theta cosec2theta can never be less than 2if possible let it be less
trigonometry the mathematician is fascinated with the marvelous beauty of the forms he constructs and
writ the equation that describes the motion of a point on the wheel that has a center of 4m off the ground has radius of 15 cm makes a full rotation
the bowling alley suggests selecting a ball that is 17 of the bowlers weight if the bowler weighs 84 pounds how much should the bowling ball
find the sum of all natural numbers amongst first one thousand numbers which are neither divisible 2 or by 5ans sum of all natural
if there are 2n1terms in an ap prove that the ratio of the sum of odd terms and the sum of even terms is n1nans let a d be the i term
the ratio of the sum of first n terms of two aps is 7n14n27 find the ratio of their 11th terms ans let a1 a2 and d1 d2 be
find the sum of all natural no between 101 amp 304 which are divisible by 3 or 5find their sumans no let 101 and 304 which are divisible