If 49 is subtracted from the square of a number, then the result obtained is 576. What is the number?
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If tanθ + cotθ = 5, then the value of tan2θ + cot2θ is
If r sinθ=3 and r cosθ=1, then the values of r and θ are: (0°⩽θ≤90°)
Which of the following equations has 3 as a root?
The length of the common chord of two intersecting circles is 12 cm. If the diameters of the circles are 15 cm and 13 cm, then what is the distance (in cm) between their centers?
The point equidistant from the sides of a triangle is called
BD and CE are two medians of the triangle ABC. If EO = 7 cm, then the length of CE is
If curved surface area of a cylinder is 1320 sq cm and height is 10 cm, find its radius?
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