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sin 780°sin 480° + cos 120° sin 30° sin (360° x 2 + 60° ) sin (360° + 120° ) + cos (90° + 30° ) sin30° sin 60° sin 120° - sin 30° sin 30° = [√ 3/2] sin (90° + 30° ) [1/2] [1/2] - = [√3/2] cos 30° - 1/4 = [√ 3/2] [√ 3/2] - 1/4 = 3/4-1/4 = 2/4 = 1/2
Find out the volume of a tetrahedron whose side is 6√2 cm³ ?
The areas of three adjacent faces of a cuboid are 32 cm2,24cm2 and 48cm2.Find the volume of cuboid.(in cm cube)
Steel is used to make a hemispherical bowl that is 0.4 cm thick. The bowl's inner radius is 7 cm. Find the bowl's outside curved surface.
The perimeter of the rectangle is 50 cm and the breadth is 4 times the length. Find the area of rectangle.
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 4.4 km?
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 16.5 km?
