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Find the exact value of cos 15°. a. sqrt2/4 b. (sqrt2 + sqrt6)/4 c. sqrt2/2 d. sqrt6/4

Find the exact value of cos 15°. a. sqrt2/4 b. (sqrt2 + sqrt6)/4 c. sqrt2/2 d. sqrt6/4
1.9k views
5 votes
Find the exact value of cos 15°.

a.
sqrt2/4
b.
(sqrt2 + sqrt6)/4
c.
sqrt2/2
d.
sqrt6/4

User Raphael Meudec
by
8.7k points

2 Answers

2 votes

Answer:

B

Explanation:

B in decimal from is roughly 0.965 and so is Cos(15)

User Razvan Alex
by
8.4k points
4 votes

Answer:

Hey it's probably a it's a

Explanation:

User Harag
by
8.5k points
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