Answer:
(√1 - a²)
Step-by-step explanation:
cos(sin⁻¹ a) = cos x°
sin x° = sin (sin⁻¹ a) = a
as shown in the attached picture
sin x° = a/1 cos x° = (√1 - a²) / 1 = (√1 - a²)
How many units are there
1 answer:
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Answer:
9 boxes
Step-by-step explanation:
Since 1 ft= 12 inches then with diameter of 12 ft, radius becomes 6 ft and converted to inches it's 6*12=72 in
Area of 1 tile= 9*9=81
Number of tiles=
Number of boxes= 202/25=8.08 boxes hence 9 boxes