Physics, asked by mahesh45pdypkx, 1 year ago

prove 2sin@cos@ = sin2@

Answers

Answered by nikitha1104

2

I hope it help u

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mahesh45pdypkx: please send your whole notes

mahesh45pdypkx: .i.e. cos2a

mahesh45pdypkx: can you prove why sin(a+b)=sinacosb+sinbcosa

nikitha1104: kk

nikitha1104: mark as brain list

mahesh45pdypkx: i have got only one answer

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