sin(a+b)=1 and tan(a-b)=1/√3,find a and b
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sin(A+B)=1
sin(A+B)=sin90°
Cancelling sin from both sides,
A+B=90°-----(1)
tan(A-B)=1/√3
tan(A-B)=tan30°
Cancelling tan from both sides,
A-B=30°-----(2)
Adding (1) and (2),
2A=120°
A=60°
Substituting this value in (1),
60+B=90
B=90-60
B=30°
Hence, A=60° and B=30°.
sandhuSaaB1234:
hello ji
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