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including olympiad champions, researchers, and professionals.

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SOH-CAH-TOA! Have you heard the call of the trig function? Use them to navigate the trickier sides (and angles) of geometric shapes.

What is the value of \( \sin 30 ^ \circ \)?

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by **Brilliant Staff**

What is the value of \( \cos 45 ^ \circ \)?

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by **Brilliant Staff**

What is the value of \( \tan 60 ^ \circ \)?

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by **Brilliant Staff**

What is the value of \( \sin^2 0 ^ \circ + \cos ^2 90 ^ \circ \)?

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including olympiad champions, researchers, and professionals.

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by **Brilliant Staff**

What is the value of \( \sin (-360^\circ) \) ?

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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by **Brilliant Staff**

© Brilliant 2017

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