" ande "quad " 42.If "tan2 alpha=(3)/(4)," then find "tan alpha

If tan 2 alpha=(3)/(4) , then find tan alpha .

If 2tan alpha=3tan beta then tan(alpha-beta)=

If tan alpha.tan2alpha = 1 then find the value of cos2alpha .

tan(alpha+beta)=(1)/(2),tan(alpha-beta)=(1)/(3), then find the value of tan2 alpha

If sec alpha=(5)/(4), evaluate (1-tan alpha)/(1+tan alpha)

" If "alpha=(2 pi)/(7)" ,and "tan alpha tan2 alpha+tan2 alpha tan4 alpha+tan4 alpha tan alpha=K" .Then "3k^(2)+4k+5=" ."

" If alpha=(2 pi)/(7) ,then the value of tan alpha tan2 alpha+tan2 alpha tan4 alpha+tan4 alpha tan alpha is "

" If "20 alpha=pi" then tan "alpha" .tan2"alpha" .tan3"alpha" ....."tan9 alpha=

If tan alpha=(1-cos beta)/(sin beta), then a )tan3 alpha=tan2 beta(b)tan2 alpha=tan beta(c)tan2 beta=tan alpha(d) none of these

Prove that tan (alpha+ (pi)/(3)) tan (alpha-(pi)/(3))+ tan alpha tan (alpha+(pi)/(3)) +tan (alpha-(pi)/(3)) tan alpha+3=0