a)If A and B are acute angles such that tanA=1/2, tanB=1/3 and tan(A+B)=tanA+taB/1-tanAtanB,show that A+B=45o.b)sinB = cos(B-45), where B and (B-45) are acute angles.Find the value of the angle B?
a)If A and B are acute angles such that tanA=1/2, tanB=1/3 and tan(A+B)=tanA+taB/1-tanAtanB,
show that A+B=45o.
b)sinB = cos(B-45), where B and (B-45) are acute angles.Find the value of the angle B?
Malyarpita Singh , 6 Years ago
Grade 10
