Page 117 - DECO403_MATHEMATICS_FOR_ECONOMISTS_HINDI

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E\L-LOVELY-H\math6-1 IInd 21-10-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

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φ
;k 1 − sin θ 2 + 1 − sin φ 2 ( a 3 (sin θ− sin ) uksV
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φ
θ+ φ θ − φ θ+ φ θ −φ
2cos cos ( a 3 .2cos sin
2 2 2 2
θ− φ
⇒ cot (
2

⇒ θ * φ (

⇒

*

(
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2
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⇒ ( mÙkj
dx y 2 1 − x 6
1 dy dy
2
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ij rFkk dk eku Kkr dhft,A
1 x x 2 x 3 dx dx 2
1 2 3 − 1
gy % ( = (1 + x + x + x )
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dy
dx ( * , , , , , !
dy
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dy
2
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2
dy
( + ij 2 ( + mÙkj
dx
2
dy cos (a ) y
mnkgj.k% 8- ;fn
rks fl¼ dhft, rFkk
ij
dx cos a
dy
dx

gy %

(
,
sin y
⇒ (
cos (a + ) y

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