A ship sails 15km east, then 10km south. Find its true bearing from its starting point (to the nearest minute) .
I used Tan ^-1 (0.67) and got 33.82? Would that be the answer?

Question

A ship sails 15km east, then 10km south. Find its true bearing from its starting point (to the nearest minute) . 
I used Tan ^-1 (0.67) and got 33.82? Would that be the answer?

anonymous · Answer

It will be 123degrees41minutes because you need to add the extra 90degrees from the North -> East

anonymous · Answer

Just a tip, when using basic trig, don't convert the fractions to decimals as you will not get the "most correct" answer

dehelloo · Answer

Ok I'll keep that in mind. Just one more question. How did you get 41 minutes.

anonymous · Answer

tan^-1(10/15)

dehelloo · Answer

Thanks