tan(A-B) = 1/7, tanA = 1/2 show that A+B =45°
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tan (A-B)=1 TAKE IT AS 1
tan A=1/2
A-B-A=1-1/2
-B=1/2
B=-1/2
PUT IN 1
A-B=1
A+1/2=1
A=1-1/2
A=1/2 TAKE IT AS 2
ADD 1 AND 2
A+B
1/2-1/2
0 WHICH IS EQUAL TO tan 0˚
tan A=1/2
A-B-A=1-1/2
-B=1/2
B=-1/2
PUT IN 1
A-B=1
A+1/2=1
A=1-1/2
A=1/2 TAKE IT AS 2
ADD 1 AND 2
A+B
1/2-1/2
0 WHICH IS EQUAL TO tan 0˚
rashijainrj1411:
can you say what values to be changed in the question to get the right answer
what value should be changed instead of 1/7?
thank you
can you take any of those values and solve a sum?
thanks a lot
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