statement problems

The diagonals of a rectangle are equal in lengt..

The diagonals of a square are equal and perpendicular to each other..

If there are three or more parallel lines and the intercepts made by them on one transversal are equal, the corresponding intercepts of any transversal are also equal..

If 'n' be any integer then, i) sin (2 p n + q ) = sin q ii) cos (2 p n + q ) = cos ..

For all real numbers x and y Let x and y be any two real numbers and let P(x)and Q(y) be the corresponding trigonometric points on the unit circle. In the above figures we have taken x and y so that The coordinates of P(x) are (cosx, sin x) and that of Q(y) are (cos y, sin y) by the defini..

sin 2 q + cos 2 q =..

..

The moment of inertia of a body about an axis is equal to its moment of inertia about a parallel axis through its centre of gravity plus the product of the mass of the body and the square of the perpendicular distance between the two parallel axes...

Which of the statements is true? => All the angles in a scalene triangle are equal. or Two of the angles in a scalene triangle are equal. or All the sides in a scalene triangle are equal. or None of the angles in a scalene triangle are equal...

If p and q are two statements then the compound statement p if and only if q", is called the biconditional statement denoted by "p q". "p q" is true when both p and q are true or when both p and q are false..