Math, asked by archana02, 1 year ago

plz send me the answer

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Explode: May you tell me the answer Please ???
Anonymous: 1+cos 12© + cos 8© + cos 4©
archana02: ha yes
Explode: It's the answer? ?
archana02: this is the correct answer
Explode: Okay
RonyYADAV: thanx

Answers

Answered by Anonymous
1
used formulae is
2 cos A cosB = cos (A+B) + cos (A-B)
this is ur required result
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Anonymous: ur wlcm explode
Explode: :)
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