If `tanalpha=1/7,sinbeta=1/(sqrt(10)),` prove that`alpha+2beta=pi/4` , where `0

If tan alpha=(1)/(7),sin beta=(1)/(sqrt(10)), prove that alpha+2 beta=(pi)/(4), where 0

If tan alpha=(1)/(7),sin beta=(1)/(sqrt(10)), Prove that :alpha+2 beta=(pi)/(4), where 0

If tan alpha=(1)/(7) and sin beta=(1)/(sqrt(10)), where 0

lim alpha=(m)/(m+1),tan beta=(1)/(2m+1), prove that alpha+beta=(pi)/(4)

If alpha and beta are acute angles such that tan alpha=(m)/(m+1) and tan beta=(1)/(2m+1), prove that alpha+beta=(pi)/(4)

If tanalpha=(1)/(3)andtanbeta=(1)/(2), then: tan(alpha+beta)=

If sin alpha=(1)/(sqrt(10)) and sin beta=(1)/(sqrt(5)) then prove that alpha+beta=(pi)/(4)

0

If tanalpha=(1)/(7)&tanbeta=(1)/(3) , then cos2alpha=?

If tanalpha=(m)/(m+1)andtan beta=(1)/(2m+1) , then (alpha+beta)=?