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1) If x = rcos

Prove that Acosx + Bsinx = Rcos(x+c) where c = tan^-1(B/A) and R = sqrt(A^2+B^2)
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2. asked by Vikram Shah
3. 136 views
How would you simplify this polar equation to r=?2=rcos(theta-20) Would i divide the 2 by both sides?
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2. asked by Sara
3. 397 views
r=1-rcos(theta)convert into rectangular equation?r with cos creating trouble for me how to solve this?
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2. asked by Asfand
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how do you obtain the cartesian equation for r^2=16cos(3theata)?? I've tried looking on many website and at my notes but have
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2. asked by alex
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Rewrite the given equation using the substitutions x=rcos(theta) and y=rsin(theta). Simplify your answer.
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2. asked by Tommy
3. 408 views
I have to graph the following:2 = rcos(theta-20 degrees). I put it in the form r = 2/cos(theta-20degrees). Is this correct? I am
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2. asked by Joanie
3. 627 views
When the Sun is directly overhead, a hawk dives toward the ground with a constant velocity of 4.80 m/s at 50.5° below the
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2. asked by Gaby
3. 756 views
To find the velocity and acceleration vectors for uniform circular motion and to recognize that this acceleration is the
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2. asked by Becky
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I wanted to confirm that I solved these problems correctly (we had to convert the polar curves to Cartesian equations).1.rcos(th
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2. asked by Joshua
3. 1,235 views
Identify the polar form of the linear equation 4x+3y=10.x=rcos(theta),y=rsin(theta) 4x+3y=4rcos(theta)+3rsin(theta)=10
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2. asked by Jon
3. 633 views