please give me answer of 6 question
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tan(A+B)=1,,,,,
tan(A+B) = tan45
,,A+B=45
cos(A-B)=√3/2
cos(A-B)=cos30
A-B=30
then,,,A+B=45......(1)
A-B=30.......(2)
2A=75A=75/2
B=15/2
tan(A+B) = tan45
,,A+B=45
cos(A-B)=√3/2
cos(A-B)=cos30
A-B=30
then,,,A+B=45......(1)
A-B=30.......(2)
2A=75A=75/2
B=15/2
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