Yosemite Falls in Cali is composed of 3 sections. The upper Yosemite Fall, The middle Cascade, and Lower Yosemite Fall. From a footbridge across the creek 2500 feet from the falls, the angles of elevation...

Explain when the law of sines will give you a unique solution

Matt measures the angle of elevation of the peak of a mountain as 35 degrees. Susie, who is 122 feet closer on a straight level path, measures the angle of elevation as 42 degrees.

An air traffic controller is tracking a plane 3.4 miles due north of the radar tower. A second plane is located 2.1 miles from the tower at a heading of 72 degrees north of west. To the nearest tenth...

For the triangle ABC, which of these is not a Law of Cosines?   (a) a2=b2+c2-2bc cos A   (b) b2=c2+a2- 2ac cos B   (c) c2=a2+b2-2ab cos C   (d)...

A port and a radar station are 5 mi apart on a straight shore running east and west. A ship leaves the port at noon traveling at a rate of 19 ?mi/hr. If the ship maintains its speed and? course, what...

Given the triangle ABC with angles A= 58°, B=70°, and side c=21cm. Using the Law of Sines, find the length of the side a. Approximate your answer to the nearest whole number.   Show all...