2 years ago

Can someone help with this question? thanks

1 answer:

5 0

I can’t see make clearer plz

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Using the unit circle, the coordinates of 3π/4 is :

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Note that tangent function can be solved using the formula y/x

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This will be :

$\frac{\sqrt[]{2}}{2}\div(-\frac{\sqrt[]{2}}{2})=-1$

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