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The correct answer is C
A cuboid has a length of 10 cm, a width of 8 cm, and a height of 6 cm. Find the length of its diagonal and its total surface area.
If tan(π/4 + θ) = 3, find tan(2θ):
Simplify: sinx+sin 3x+sin5x
The 5th term of a GP is 48 and the 8th term is 384. Find the first term.
If a line has direction ratios 2, -1, -2, determine its direction cosines.