Math, asked by Anonymous, 2 months ago

If cos a + 2cos b + cos c = 2 then a, b, c are in

(a) 2b = a + c

(b) b2 = a × c

(c) a = b = c

(d) None of these

Answers

Answered by satyam8663

2

Answer:

2b = a + c

Step-by-step explanation:

hope it helps you

Answered by Anonymous

3

Answer:

Answer in attachment

pls refer to it

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