If 30∘ and 45∘ are the angles of dip observed in two vertical planes at right angles to each other then the true dip angle is tan^(-1)(n) .Find the value of n ?

If theta_1 and theta_2 be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip theta is given by

If theta_1 and theta_2 be the apparent angles of dip observed in two vertical planes at right angles to each other, then show that the true angle of dip, theta is given by cot^2theta=cot^2theta+cot^2theta .

If phi_(1) and phi_(2) be the apparent angles of dip observed in two vertical planes at right angles to each other , then show that the true angle of dip phi is given by cot^(2) phi = cot^(2) phi_(1) + cot^(2) phi_(2) .

Angles of dip in two vertical planes at right angles to each other are cot^(-1) (1/2) and cot^(-1)(1/3) respectively.True angle of the dip is