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19 votes
Use a sum or difference formula to find the exact value of the following.

131
TT
sin
TT
cos
36
+ cos
1377
sin
18
18
36
:
口口
Х
3
?

Use a sum or difference formula to find the exact value of the following. 131 TT sin-example-1
User Alicht
by
7.7k points

1 Answer

12 votes

Answer:

D.

Explanation:

In order to get the answer, the sum of difference is used to find an exact value therefore D is the right answer!

answer was right on test.

User Unbreakable
by
8.1k points
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