The cosine of 90 degrees is zero.
The cosine of 8 degrees is 0.99026806874157031508377486734485
Cosine is 0.766
The cosine of 24 degrees is 0.913
cosine(59 degrees) = 0.51504 (rounded)
Find the cosine of 38 degrees and then find its reciprocal.
That would be the equatorial circumference times the cosine of 38 degrees. I get 19,605 miles (31,552 km) .
The cosine of 90 degrees is zero.
The cosine of 8 degrees is 0.99026806874157031508377486734485
Cosine is 0.995
Cosine is 0.766
The cosine of 60 degrees is 0.5
The cosine of 24 degrees is 0.913
You cannot. The cosine of 30 degrees is an irrational number.
Cosine(42 radians) = -0.399985 Cosine(42 degrees) = 0.743146
Cosine(84 radians) = -0.680023 Cosine(84 degrees) = 0.104528
cosine(59 degrees) = 0.51504 (rounded)