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If phi1 and phi2 are the angles of dip i...

If `phi_1` and `phi_2` are the angles of dip in two vertical plane at right angles to each other and `phi` is the true angle of dip then

A

`cot^2phi=cot^2phi_1+cot^2phi_2`

B

`tan^2phi=tan^2phi_1+tan^2phi_2`

C

`cotphi=cotphi_1+cotphi_2`

D

`tanphi=tanphi_1+tanphi_2`

Text Solution

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The correct Answer is:
A
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