Let f x - ecos - 1sin x - - -3 Then

The correct option is B f( 8π 9) = e^13π /18 f(x)=e^cos^ 1(sin(x+π3)) Now, f(8π9)=e^cos^ 1sin(11π9) =e^cos^ 1cos(13π18) =e^(13π18) ...

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Definition of Functions

Let f x = e...

Question

Let $f (x) = e^{{cos}^{- 1} sin (x + π / 3)}$ Then

f (\frac{8 π}{9}) = e^{5 π / 18}

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f (\frac{8 π}{9}) = e^{13 π / 18}

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f (- \frac{7 π}{4}) = e^{π / 12}

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f (- \frac{7 π}{4}) = e^{11 π / 12}

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