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3 years ago

Cos() = O A. V B. 173 2 OC. OD. -3

Mathematics

1 answer:

irga5000 [103]3 years ago

7 0

Answer:

-√3/2

Step-by-step explanation:

Given the expression:

Cos(7π/6)

Conver to degrees

= Cos(7(180)/6)

= cos 210

= -√3/2

Hence the value of cos(7π/6) is -√3/2

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