- #1

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Hi,

is [tex]\sqrt{a^2-a^2\sin^2{x}} = a\cos{x}?[/tex]

If not, what should it be?

Appreciate the help!

is [tex]\sqrt{a^2-a^2\sin^2{x}} = a\cos{x}?[/tex]

If not, what should it be?

Appreciate the help!

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