Answer:
substitute x=1/2 in the equation then it will be

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Step-by-step explanation:
Answer:
x^2y^2 3y^2
Step-by-step explanation:
its a or the first choice
Answer:
(i) The equivalent coordinates in rectangular form are
.
(ii) The equivalent coordinates in rectangular form are
.
Step-by-step explanation:
In this exercise we must find the equivalent coordinates in rectangular form from polar form. That is:

Where:
- Norm of vector, dimensionless.
- Direction of vector with respect to +x semiaxis, measured in sexagesimal degrees.
(i) (
,
)


The equivalent coordinates in rectangular form are
.
(ii) (
,
)


The equivalent coordinates in rectangular form are
.