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The exact value of cos 13pi/8 is: A. Sqrt2-sqrt2/4 B .0.38 C. Sqrt2+sqrt2/4 D. 0.99

The exact value of cos 13pi/8 is: A. Sqrt2-sqrt2/4 B .0.38 C. Sqrt2+sqrt2/4 D. 0.99
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The exact value of cos 13pi/8 is: A. Sqrt2-sqrt2/4 B .0.38 C. Sqrt2+sqrt2/4 D. 0.99

The exact value of cos 13pi/8 is: A. Sqrt2-sqrt2/4 B .0.38 C. Sqrt2+sqrt2/4 D. 0.99-example-1
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User Edward An
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1 Answer

1 vote

Answer:

D. 0.99

Explanation:

cos 13π÷8

answered
User Ablaeul
by
7.7k points
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