Question

The equation of X axis is
A y=0
B y=x
C X=0
D X=0​

Answer 1

Answer:

y=0

as it lies on x plane its equation will be x=0

Answer 2

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Given that, x = sin y

Hence, dx/dy = cos y

Thus, the slope of the normal = (-1/cos x)x =0 = -1

Therefore, the equation of the normal is y-0 = -1(x-0) or x+y=0

Hence, the correct solution is option c

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Hope it's Helpful.....:)