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Find the exact value of cos165

Find the exact value of cos165
asked 368 views
1 vote
Find the exact value of cos165

asked
User Austin Marusco
by
8.4k points

2 Answers

0 votes

Answer:

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

Explanation:

the answer is B

answered
User Jay Mody
by
8.5k points
5 votes

Answer:

-(√(3/2) )/2 - 1/(2√(2))

Explanation:

Cos165=-(√(3/2))/2 - 1/(2√(2))

answered
User Udesh
by
7.6k points
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