If f (x)={:((cos x,-sin x,0),(sin x,cos...

If `f (x)={:((cos x,-sin x,0),(sin x,cos x,0),(0,0,1)):},"show that "(f(x))^(-1) = f(-x)`.

A

f(x)+f(y)

B

f(x)-f(y)

C

f(x).f(y)

D

None of these

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The correct Answer is:

C

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