Math, asked by debojitdas2012, 9 months ago

express as product form : 1+2cos20

Answers

Answered by PrincessPurvi

1

1 * 2 cos 20

Please mark as brainliest

Answered by jhonridoutt

0

Answer:

4Cos20Cos40

Step-by-step explanation:

2(Cos60+Cos20)=1+2Cos20

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