cos(2A-B)=√3/2 and sin(2A+B)=√3/2. find A&B
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varunn:
how add 2a-b/2a+b directly without change +,- sign
in that i had applied the elimination method of class 11
i know, but when we add by elimination method the signs are change
in the eq our main purose is to eliminate any one of the variable
if you want to change signs then in 2equation you can change
ok i understand
thnx
most welcome
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