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Asked Sep 24, 2019

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O TRIGONOMETRIC FUNCTIONS
Trigonometric functions and special angles: Problem type 1
s(-3600)
Find the exact value of cos
s(-360°) I
COS
?
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O TRIGONOMETRIC FUNCTIONS Trigonometric functions and special angles: Problem type 1 s(-3600) Find the exact value of cos s(-360°) I COS ?

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Step 1

Recall the belo...

cos(-0) cos
cos (n)(, neZ, natural numbers
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cos(-0) cos cos (n)(, neZ, natural numbers

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