How do you graph #r=3sintheta+3#?

Answer 1

The family of cardioids through the pole r = 0 is given by

#r = a ( 1+cos (theta-alpha))#.

Here parameter a gives the maximum reach from the pole as 2a..

#alpha# is the second parameter. The line #theta=alpha# gives

the line of symmetry.

The whole cardioid can be traced for one period #2pi#, for example
#theta in (alpha, alpha+2pi)#,, .
Here,# r = 3(1+ cos (theta-pi/2)#, and so, #a = 3 and theta=alpha =

pi/2#. So, the size is 6 units and the line of symmetry is

perpendicular to the initial line.

The half of this cardioid in #Q_4 and Q_1# can be traced, using
#(r, theta): (0, 3/2pi) (3-13sqrt2, 7/4pi) (3, 0) (3+3/sqrt2, pi/4) (6, pi/2)#.
The other half in #Q_2 and Q_3# can be drawn as mirror image,
with respect to the line of symmetry, #theta = pi/2#.
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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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