Let PM be the perpendicular from the point (1, 2, 3) to x - y plane. If OP makes an angle e with the positive

### Question Asked by a Student from EXXAMM.com Team

Q 2166880775.     Let PM be the perpendicular from the point (1, 2, 3) to

x - y plane. If OP makes an angle e with the positive

direction of the z-axis and OM makes an angle phi with the

positive direction of x-axis, where O is the origin then

( theta and phi are acute angles)
A

tan theta = sqrt(5)/3

B

sin theta sin phi = 2/sqrt(14)

C

tan phi =2

D

cos theta cos phi = 1/sqrt(14)

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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