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Trig help ...............
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3 votes
Trig help ...............

Trig help ...............-example-1
User Nax
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2 Answers

5 votes

Answer: D

Explanation:

User Acharuva
by
8.1k points
3 votes
letter D

A = 135°
B = 30°

cosAcosB - sinAsinB = cos(A+B)

cos(135°+30°)
cos(165°)
User Ezequias Dinella
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8.9k points
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