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cosalpha+cosbeta+cosgama+cos(alpha+beta+gama)=4cos(alpha+beta/2)cos(beta+gama/2)cos(alpha+gama/2)

cosalpha+cosbeta+cosgama+cos(alpha+beta+gama)=4cos(alpha+beta/2)cos(beta+gama/2)cos(alpha+gama/2)

Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear Anil
 
There is o question part.
 
Please chec and repost it.
 
You can also attach an image
 
I will be happy to help yu

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