Home
Class 12
MATHS
[" Prove the lonvell "B" and "sin A=m" s...

[" Prove the lonvell "B" and "sin A=m" sin "B" ,"],[[" 60.If "tan A=n tan B],[" prove that "cos^(2)A=(m^(2)-1)/(n^(2)-1)]]

Promotional Banner

Similar Questions

Explore conceptually related problems

If tan A=n tan B and sin A=m sin B, prove that cos^(2)A=(m^(2)-1)/(n^(2)-1)

If tan A = n tan B and sin A = m sin B, prove that : cos^(2) A = (m^(2) - 1)/(n^(2) - 1)

If tan A = n tan B and sin A = m sin B , show that cos^(2)A= (m^(2)-1)/(n^(2)-1) .

If tan A=1//2, tan B=1//3 , then prove that cos 2A=sin2B .

If tan A=1//2, tan B=1//3 , then prove that cos 2A=sin2B .

If tan A=1//2, tan B=1//3 , then prove that cos 2A=sin2B .

If "tan" alpha= n tan beta and sin alpha =m sin beta prove that : cos^(2)alpha=(m^(2)-1)/(n^(2)-1)

Prove that: If tan A=x tan B, prove that (sin(A-B))/(sin(A+B))=(x-1)/(x+1)

i) If tan (A+B) = n tan (A-B), prove that: (n+1)/(n-1) = (sin2A)/(sin2B)

i) If tan (A+B) = n tan (A-B), prove that: (n+1)/(n-1) = (sin2A)/(sin2B)