[" If "cos(a+b)=(4)/(5),sin(a-b)=(5)/(13)" and "a,b" lie "],[" between "0" and "(p)/(4)," prove that "tan2a=(56)/(33)]

It cos(alpha+beta)=4/5,sin(alpha-beta)=5/(13)and alpha,beta lie between 0a n dpi/4 , prove that tan2alpha=(56)/(33)

It cos(alpha+beta)=4/5,sin(alpha-beta)=5/(13)a n dalpha,beta lie between 0a n dpi/4 , prove that tan2alpha=(56)/(33)

It cos(alpha+beta)=4/5,sin(alpha-beta)=5/(13)a n dalpha,beta lie between 0a n dpi/4 , prove that tan2alpha=(56)/(33)

It cos(alpha+beta)=4/5,sin(alpha-beta)=5/(13)a n dalpha,beta lie between 0a n dpi/4 , prove that tan2alpha=(56)/(33)

It cos(alpha+beta)=4/5,sin(alpha-beta)=5/(13)a n dalpha,beta lie between 0a n dpi/4 , prove that tan2alpha=(56)/(33)

If cos (alpha+beta)=4/5, sin (alpha -beta)=5/13 and alpha, beta lie between 0 and pi/4 , prove that tan 2 alpha = 56/33 .

If cos(alpha+beta)=(4)/(5);sin(alpha-beta)=(5)/(13) and alpha,beta lie between 0&(pi)/(4) then find the value of tan2 alpha

If cos (alpha + beta) = (4)/(5), sin (alpha - beta) = (5)/(13) and alpha and beta lie between 0 and (pi)/(4) , find tan 2 alpha .

If cos(alpha+beta)=4/5, sin(alpha-beta)=5/13and alpha, beta between 0 and (pi)/(4),then tan 2 alpha=