Question

Find the following functior/ value to four significant figures: cot 8° 13'
a. 6.885
b. 6.925
c. 6.910
d. 6.869

Answer 1

cot 8° 13'=cot(8+13/60)
=cot(8+.216......)
=cot8.216......
=cos/sin8.216......
=6.925...........