Precalculus
posted by Anon .
Given r = 10 cos θ
If you sketched an angle of θ = 150 degrees, what quadrant would it be located in?
It's either the first or second... I think second?
Multiply both sides of r = 10 cos θ by r. Transform the resulting equation into Cartesian coordinates.
Respond to this Question
Similar Questions

Calculus  Challenge question
Our teacher gave us this problem as a challenge. Some of us have been working on it for a few days help! Prove that the largest area of any quadrilateral is obtained when opposite angles are supplementary. Wow, what a classic and nice … 
trig
The terminal side of θ lies on a given line in the specified quadrant. Find the values of the six trigonometric functions of θ by finding a point on the line. Line: (55/48)x Quadrant:III sin(θ)= cos(θ)= tan(θ)= … 
Math (please help!)
1. θ is a first quadrant angle in standard position and cos 1/(sqrt10)= . Find the exact value of sin . 2. feta is a second quadrant angle in standard position and tan(feta) ((sqrt5)/2) = . Find the exact value of cos(feta) . … 
precalculus
sinθ=12/13, θ lies in quadrant II. Find the exact value of sin2θ, cos 2θ, tan2θ 
trig
An object Is propelled upward at an angle θ, 45° < θ<90°, to the horizontal with an initial velocity of (Vo) feet per second from the base of a plane that makes an angle of 45° with the horizontal. If air resistance … 
Math
θ equals the angle in Quadrant II so that cot θ= 3. Find the values for sin θ, cos θ, and tan θ. 
precalculus
the following is a point not on a unit circle. θ → (5,4) use it to find: 1. cos θ = 5 2. csc θ = 1/4 am i correct? 
precalculus
find the values of the requested trig functions using the given value and quadrant in which the point corresponding to the angle lies. quadrant II; sinθ=4/5 find cosθ and tan θ 
trig
Angle θ lies in the second quadrant, and sin θ = 3/5. Find cos θ and tan θ. 
Math
Write the first trigonometric function in terms of the second for θ in the given quadrant. tan(θ), cos(θ); θ in Quadrant IV I believe to start this is 1/cos^2*theta. Am I write?