Trigonometry Answers

An airplane is flying at an altitude of 6000 m over the ocean directly towards a coastline. At a certain time, the angle of depression to the coastline from the airplane is 14 degrees. How much farther ( to the nearest kilometre ) does the airplane have to fly before it is directly above the coastline?

An airplane departs city A and travels at a bearing of 100°. City B is directly south of city A. When the plane is 200 miles east of city B, how far has the plan traveled? How far apart are city A and City B?

if K=sin(pie/18)*sin(5*pie/18)*sin(7*pie/18)
then find value of k

Two ships leave a port at the same time. The first ship sails on a course of 35 degrees at 15 knots while the second ship sails on a course of 125 degrees at 20 knots. Find after 2 hours (a) the distance between the ships, (b) the bearing from the first ship to the second ship, and (c) the bearing of the second ship to the first.

what is the range of the function f(x)=2^x-3?

how do i write in exponential form log(0.001)=-3

what is the inverse of f(x)=5-3x?

what is the domain of y=logbx?

what is the domain of the function f(x)=2^(x+2)

how do i write y=2x^2+4x-3 in the form of y=a(x-h)^2+k