A Global Positioning System satellite orbits d = 15,500 miles above Earth's surface (see figure). Find the angle of depression from the satellite to the horizon. Assume the radius of Earth is 4000 miles. (Round your answer to two decimal places.)

Q: A one-lane highway runs through a tunnel in the shape of one-half a sine curve cycle. The opening is...

A: The equation for sine curve that fits the opening is shown on board, where x=opening length, a= ampl...

Q: Rewrite the polar equation r=5sin(θ)r=5sin(θ) as a Cartesian equation.

A: To express the given curve in cartesian coordinates (x and y), using the transformation equations fr...

Q: Verify

A: Given equation is: From the rules of trigonometry: 

Q: If triangle ABC, a = 10, b = 10, and c = 40 degree. what is the value of c?

A: Given the sides of the triangle a = 10, b = 10 and angle C = 40°.

Q: Evaluate the trigonometric function at the quadrantal​ angle, or state that the expression is undefi...

A: Given, 

Q: verify identity cos 2a = cot a - tan a/csc a . sec a

A: The given identity is,

Q: Two planes take off at the same time from an airport. The first plane is flying at 260 miles per hou...

A: The diagram is on the board .First we find the distance after 2 hours .Then we use pythagorean formu...

Q: Give a general formula for all the solutions. 2 sin 0-53 sin 0

A: Click to see the answer

Q: It’s a review question.

A: We have to find distance between  two  points where points is given by