Q. 174.3( 3 Votes )

If 𝒳 = a(θ – sin θ), 𝒴 = a(1 – cos θ), find at θ =.

Answer :

Theorem: y and x are given in a different variable that is θ . We can find by finding and and then dividing them to get the required thing.


=


= asinθ ………..(1)



= a(1-cosθ ) ……….(2)


Dividing (1) and (2), we get


=


Putting θ= π/2


=


= 1.


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