Math, asked by vineet5737, 1 year ago

find the value of cos 210 degree​


nandani9174: cos 210° = cos (180° + 30°) = -cos 30°. =-√3/2

Answers

Answered by brunoconti
38

Answer:

Step-by-step explanation:

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Answered by shashakash
7

Answer:

Step-by-step explanation:

-√3/2


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