Sin^-1(cosx) find the integral 

Maths

1. Maths

In Fig. 1, no line is perpendicular to itself, so the relation R = {( l, m) : l ⊥ m} ______ reflexive (is/is not).

Find the equation of the tangent and normal to the hyperbola x^2/a^2 -y^2/b^2 =1 at the point ( x_0,y_0 )(

in a triangle ABC,AB=AC,E is the mid-point of AB and F is the midpoint of AC.Show that BF=CE

A girl of mass 40 kg jumps with a horizontal velocity of 5 m s-1 onto a stationary cart with frictionless wheels. The mass of the cart is 3 kg. What is her velocity as the cart starts moving? Assume that there is no external unbalanced force working in the horizontal direction.