Trignometry

Quantitative Aptitude ( CCS)

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The value of cos225° + cos270° is

-√2

-1/√2

1

2

Explanation:

From the given data
⇒ cos(180 + 45)° + cos (270)°
= - cos(45°) + 0 = - 1/√2

By: MIRZA SADDAM HUSSAIN

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