Question

If deviation varies as tan (dip) and when dip= 60° the deviation is 5 , find the deviation when dip = 30°​

Answer 1

Step-by-step explanation:

cot

2

δ=cot

2

δ

1

+cot

2

δ

2

where δ

1

and δ

2

are dip angles in two vertical planes at right angles to each other and δ is the true angle of dip.

∴cot

2

δ

2

=cot

2

δ−cot

2

δ

1

=cot

2

45

∘

−cot

2

60

∘

=1−

3

1

=

3

2

δ

2

=cot

−1

3

2

i hope it's helpful for you ☺️