Tan a+b=1 and cos a-b=√3/2 what is the value of a and b
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Sin (A+B)=1
(A+B)=sin-1 1
We know sin-1 1=90
A+B=90--------1
Cos (A-B) =root3/2
A-B=cos-1 root 3/2
We know cos -1 root 3/2=30
A-B=30-----------2
Solve 1&2
A+B=90
A-B=30 add
2A=120
A=60 & B=30
(A+B)=sin-1 1
We know sin-1 1=90
A+B=90--------1
Cos (A-B) =root3/2
A-B=cos-1 root 3/2
We know cos -1 root 3/2=30
A-B=30-----------2
Solve 1&2
A+B=90
A-B=30 add
2A=120
A=60 & B=30
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