Recent questions in Trigonometry

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For any $x\in [0,1]$ show that

$\mathrm{arcsin}(x)+\mathrm{arccos}(x)=\frac{\pi}{2}$

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lurtzslikgtgjd
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Ainsley Zimmerman
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Dominick Blanchard
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Paul Duran
2022-05-07
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Aedan Gonzales
2022-05-07
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$a\mathrm{cos}\left(\omega t\right)+b\mathrm{sin}\left(\omega t\right)=A\mathrm{cos}(\omega t+\varphi )$

I must have forgotten how the right hand side follows from the left hand side.

Some hints would be helpful

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