Math, asked by eschool7890, 5 months ago

11. Cos (x) + Cos (Tt - x) =?
(a) 2 Cos (x)
(b) Cos (x) - sin(x)
(c) Cos (x) + sin(x)
(d) 0

Answers

Answered by nishu1298

1

Answer:

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0

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