# Trigonometry

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Explain why {y||y| ¡Ü 1} is the same as [-1,1].

• Trigonometry -

For
{y | |y|≤1}

By definition of the absolute function, |y| = y if y≥0, and
|y| = -y if y<0.

Therefore the possible values of |y|≤1 are [-1,1]

• Trigonometry -

THANKYOU :D

• Trigonometry -

You're welcome!

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