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Tangent pq amd pr are drawn from an exyernal point p to a circle with centre o ,suvh that angle rpq=30 a chord rs is drawn parallel to the tangent pq. Find angle rqs

if sina=3/5 where 180/2<a<180 , evaluate cos3a

Inverse trignometry exercise 2.2 question number 20

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10 maths ch triangles ncrt solutions serial order wise

Ram travels 760 km to his home, partly by train and partly by car. He takes 8 hours if he travels 160 km by train and the rest by the car. He takes 12 minutes more if he travels 240 km by train and the rest by car. Find the speed of the train and the car separately.

integration ydx-xdy=xydx

class 9 ncert important maths questions

Maths most important questions

Two tangents PA& PB are drawn from an external point P to a circle woth centre O . prove that AOPB is a cyclic quadrilateral

find tge sum us the nth term is n^2+2^n

PointP (5,-3) is one of the two points of trisection of the line segment joining the points A(7,-2) ,B(1,-5) near to A find the coordinates of the other point of trisection