Home
Class 12
MATHS
[" 1.If tan "alpha=1/7,tan beta=1/3" ,th...

[" 1.If tan "alpha=1/7,tan beta=1/3" ,then "cos2 alpha" is equal to "],[[" (A) "sin2 beta," (B) "sin4 beta],[" (C) "sin3 beta," (D) "cos2 beta]]

Promotional Banner

Similar Questions

Explore conceptually related problems

If tan alpha=(1)/(7), tan beta=(1)/(3), then cos 2 alpha is equal to

If tan alpha=(1)/(7) and tan beta=(1)/(3) , then cos2 alpha is equal to

If tan alpha=(1)/(7),tan beta=1/3, then cos2 alpha is equal to adot s in2 beta b.s in4 beta c.s in3 beta d*cos2 beta

If tan alpha =m/(m+1) and tan beta =1/(2m+1) , then alpha+beta is equal to

If tan(alpha+beta)=2andtan (alpha-beta)=1 , then tan(2alpha) is equal to

If tan alpha=(m)/(m+1) and tan beta=(1)/(2m+1) then alpha+beta is equal to