What is Cos(Sin^-1(0)) ?

1 Answer
maganbhai P.
Mar 10, 2018

1

Explanation:

Hint: color(red)(sin^(-1)(sint)=t,where,t in[-1,1])
x=cos(sin^(-1)(0)), but, color(red)(sin0=0)
x=cos(color(red)(sin^(-1)(sin0))),where, 0in[-1,1]
:.x=cos(color(red)(0))=1.

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