Question

if the axes are rotated through an angle a , then the new form of the equation xcosa+ysina =p is​

Answer 1

Answer:

ANSWER

By rotation of axes,

x=x

1

cosα−y

1

sinα

y=x

1

sinα+y

1

cosα

xcosα+ysinα=P..........(given)

⇒x

1

(cos

2

α+sin

2

α)+y(sinαcosα−cosαsinα)=P..............(substitute the values of x and y)

x

1

=P => X=P.

Step-by-step explanation:

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