360 views
1 vote
Find the exact value of cos165

2 Answers

0 votes

Answer:

-sqrt(6)+sqrt(2)/4

Explanation:

the answer is B

User Jay Mody
by
7.1k points
5 votes

Answer:

-(√(3/2) )/2 - 1/(2√(2))

Explanation:

Cos165=-(√(3/2))/2 - 1/(2√(2))

User Udesh
by
6.1k points
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