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Put θ = 45°
then, a = tanθ – cotθ = 1 –1 = 0
and, b = cosθ + sinθ
= 1/√2 + 1/√2 =√2
Now, (b 2 –1) (a 2 + 4) = (2 – 1) (0 + 4) = 4
A cuboid has dimensions 6 cm, 8 cm, and 10 cm. What is the length of the diagonal of the cuboid?
If the area of a triangle is 1690 cm2 and base: corresponding altitude is 4:5, then the altitude of the triangle is:
If the area of a triangle is 1080 cm2 and base: corresponding altitude is 3:5, then the altitude of the triangle is:
