plz send me the answer
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May you tell me the answer Please ???
1+cos 12© + cos 8© + cos 4©
ha yes
It's the answer? ?
this is the correct answer
Okay
thanx
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used formulae is
2 cos A cosB = cos (A+B) + cos (A-B)
this is ur required result
2 cos A cosB = cos (A+B) + cos (A-B)
this is ur required result
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ur wlcm explode
:)
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