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Find the exact value of the trigonometric function. $$\cos \left(-60^{\circ}\right)$$...

Question

Find the exact value of the trigonometric function. $$\cos \left(-60^{\circ}\right)$$

Find the exact value of the trigonometric function. $$\cos \left(-60^{\circ}\right)$$



Answers

Find the exact value of each trigonometric function.
$\cos 180^{\circ}$


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