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2 March, 06:34

Explain why sin^-1 (sin (3pi/4)) = / = 3pi/4 when y=sin x and y=sin^-1 x are inverses.

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  1. 2 March, 06:41
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    Y=arcsin (sin (π/4))

    The exact value of sin (π/4) sin is √2 / 2

    y = arcsin (√2 / 2)

    The exact value of arcsin (√2 / 2) y = π/4y=π/4

    Interchange the variables. x = π/4
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