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If theta1 and theta2 be the apparent ang...

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`.

A

`cos^(2)phi=cos^(2)phi_(1)+cos^(2)phi_(2)`

B

`sec^(2)phi=sec^(2)phi_(1)+sec^(2)phi_(2)`

C

`tan^(2)phi=tan^(2)phi_(1)+tan^(2)phi_(2)`

D

`cot^(2)phi=cot^(2)phi_(1)+cot^(2)phi_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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