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Q) A dip-needle makes an angle (90- ) with horizontal in a vertical plan which is at an angle from magnetic meridian of that place then angle of dip of that place is:- 1) tan -1 (cot cos ) 2) tan -1 (tan cos ) 3) tan -1 (cot sec ) 4) tan -1 (tan sin )


Q) A dip-needle makes an angle (90-) with horizontal in a vertical plan which is at an angle  from magnetic meridian of that place then angle of dip of that place is:-


1) tan-1(cot cos)      2) tan-1(tancos)        3) tan-1(cotsec)             4) tan-1(tansin)


Grade:upto college level

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