Math, asked by brahmi52, 1 year ago

Express f(x)=arccos x+arccos((x)/(2)+(1)/(2)sqrt(3-3x^(2))) in simplest form and hence find the the (a) f((2)/(3))

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Answered by mamunu02

1

###--------########_______:_:::::_______________##########456+×657&-576:×+

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