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If sin x =...

Question

If $s i n x = s i n y$ and $c o s x = c o s y$ , then $x$ is

A

2 n π + y

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B

2 n π - y

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C

n π + y

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D

n π - y

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Solution

The correct option is D $2 n π + y$
Given $c o s x = c o s y$ and $s i n x = s i n y$
By dividing one by another , we get $t a n x = t a n y$
So we get $x = 2 n π + y$
therefore the correct option is $A$

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