Home
Class 12
MATHS
3. Ifm tan= n tan prove that 3. If m tan...

3. Ifm tan= n tan prove that 3. If m tan (0 - 3) = n tan (0+ 27). prove that cos 20 = mtmm m +n cos 20 = 2 (m - n)

Promotional Banner

Similar Questions

Explore conceptually related problems

If m tan (theta - 30^(@)) = n tan (theta + 120^(@)), "show that", 2 cos 2theta = (m+n)/(m-n).

If m tan (theta - 30^(@))= n tan (theta + 120^(@)), show that cos 2 theta = (m +n)/(2 (m -n)).

If tan A + sin A = m and tan A - sin A = n, prove that : m^(2) - n^(2) = 4 sqrt (mn)

If n is an integer, prove that, (iv) tan (n pi + alpha) = tan alpha

Prove that : tan 20^0 tan 40^0 tan 60^0 tan 80^0 =3

If n is an integer,prove that tan(n pi+alpha)=tan alpha

If tan frac (x)(2)= m/n , prove than m sin x+n cos x=n .

If tan alpha= n tan beta and sin alpha= m sin beta , prove that cos^2 alpha= (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)