" If "tan alpha=(1)/(7)" and "sin beta=(1)/(sqrt(10))," 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 sin alpha=(1)/(sqrt(10)) and sin beta=(1)/(sqrt(5)) then prove that alpha+beta=(pi)/(4)

If alpha and beta are angles in the first quadrant sucn than tan alpha = 1/7 and sin beta = (1)/(sqrt10) , then alpha + 2 beta =

If cos alpha=(1)/(sqrt(2)),sin beta=(1)/(sqrt(3)), show that tan((alpha+beta)/(2))cot((alpha-beta)/(2))=5+2sqrt(6) or 5-2sqrt(6)

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

If cos alpha=-(3)/(5) and sin beta=(7)/(25) where (pi)/(2)

alpha=(1)/(sqrt(10))*sin beta=(1)/(sqrt(5)) (where alpha,beta and alpha+beta are positive acute angles) show that alpha+beta=(pi)/(4)