Grade 11Trigonometry
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)
1 Answer
Arun
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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