The value of 4 sin2 30˚ - tan2 60˚ + sec2 45˚ is equal to -
If S = 1³ + 2³ + 3³ + … + n³, find S when n = 10.
A tangent from point P touches a circle at T. If OP = 13 cm and radius = 5 cm, find PT.
Two circles of radii 8 cm and 3 cm have their centers 15 cm apart. What is the length of the common internal tangent?
Find the equation of the line passing through the points P(2, 3) and Q(4, 7).
What is the function of the "SUM" function in Microsoft Excel?
The speed of boat 'Y' in still water is the same as the downstream speed of boat 'X'. Boat 'X' requires 1 hour longer than boat '...
Auto text and Auto correct are____ tools.