Trigonometry

It can be shown that the polar curve r=asin(θ)+bcos(θ), where ab≠0, is a circle. Find the center (in Cartesian coordinates) and radius of this circle in terms of a and b. x-coordinate...

Find the equation in polar coordinated of the line through the origin with slope (1)/(5)   theta =

r = (36)/(5sintheta + 36costheta) Y = ??!

Write each equation in polar coordinates. Express as a function of t. Assume that r>0.   x2(x2+y2)=7y2

Find the equation in polar coordinates of the line through the origin with slope 1/5. θ=

A curve with polar equation r=(3)/(65sinθ+36cosθ) represents a line. Write this line in the given Cartesian form.

Shanna was riding The Screamer when it broke down- remember the radius of the screamer was 100 feet. Her seat was 53 horizontal feet left of the central support pole. What was her seats angle of rotation...

Use double angle identities

A man walks along a straight line path at a speed of 4 ft/s. A searchlight is located on the ground 20 ft from the path and is kept focused on the man.   1. Write a function that relates...

jusy need simplified

A guy wire to the top of a tower makes an angle of 61 degrees with the level ground. At a point 28ft farther from the base of the tower and in line with the base of the wire, the angle of elevation...