Math, asked by agarwalnishant4713, 10 months ago

The value of cos220° + cos270° is

A) √2 B) 2 C) 1 D) 1/√2

Answers

Answered by singhharpal717

3

Answer:

the answer is b) 2 okk

please mark to brainlist

Answered by bhargavanala2007

1

Answer:

B

Step-by-step explanation:

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