Question

35. From any point P are drawn PM, PN perpendiculars to the planes ZOX and XOY.O is the
origin and o, B, Y, O are the angles which OP makes with the co-ordinate planes and with
the plane OMN. Prove that if the co-ordinates of P are (a, b, c), then
(i) the equation of the plane OMN is *_2_2 = 0
b c
abc
(ii) sin 0 =
✓ Ea².26?c?
(iii) cosec0 = cosec?a + cosec?B + cosec?y.
a​

Answer 1

Answer:

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