Question

Find the capacity in litres of a conical vessel with height 12 , slant height 13

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1. 1.Verify that y=cos ^-1-x²/2 and 2 cosy =-x² are solurions of the equation Sin y dy/dx=x.Can you state the interval on which y is definef?

 QUESTIONS NO-5 EXERCISE 13.3.maths book NCERT pg no-251.

Two parallel lines l and m are intersected by a transversal p Show that the quadrilateral formed by the bisectors of interior angles is a rectangle.

2(cos2theta/2 -sin2theta/2) =-1 solutions

/Ex-14.4--2---During-medical-check-up-of-35-students-of-a-class/category/Ex-14.4/

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1. integration of cos^2 dx using trigonometric identity

Find the equation of ellips the major xaxis and passe through the point (4,3) and (-1,4)