Math, asked by bushrakhalid802, 1 day ago

which of the following represents cos(x +60²) + cos(x-60)

a. zero

b. cosx

c. cos2x

Answers

Answered by ammar566556

0

Answer:

I think zero

Step-by-step explanation:

please check it's right or wrong

Answered by amannscharlie

0

b. cos x

refere attachment for detailed answer

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