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 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 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 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 the true angle of dip is give by :

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) .

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) .