Find y' , for y=Sin-1(Cos√x)+Cos-1(Sin√x)

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.4: Hyperbolas
Problem 5ECP: Repeat Example 5 when microphone A receives the sound 4 seconds before microphone B.
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Find y' , for y=Sin-1(Cos√x)+Cos-1(Sin√x)

tany = Vu2 - 1 and u> 0
10:23
(ii) if<y = sec¯lu<n→ the angle y lies in the second quadrant,
0: . .ulll 46%
and hence tany < 0, as well as, u = secy < 0.
ta56 of 756 o
(Vu? – 1,
- tar
u>0
Thus, tany
**
Vu? - 1,
u<0
From (*) and (* *), we have
Prof. Dr. Raad Salih Mahdi
College of Oil and Gas Engineering
u >0
uvu2-1
dy
1
%3D
du
JulVu?-1
u<0
uvu2-1
dy
Hence from (#),
1
du
du
i.e., ax
JulVu?-1 dx'
sec-lu =
%3D
I21 dx
Exercise (6.2)
Prove the remaine iton
Examples (6.3)
Find y' for the following:
theorem (6.1).
(1) y = sin-(cos/x) + cos-(sin/x)
1
V1-cos-Vx
2 a)V1-sin?V (coSyx. )
.(-sinvx. )
(cosv. )
1
%3D
Vsin?Vx
2 vx
Vcos?Vx
2
.(-sinvx. )
-(cosv. )
%3D
|sinvx|
2 vx)
cosvx
2 Vx)
-1
1+(x+y)2
(1+y') =
1+(xy)?
(xy' + y)
1
-xy'
y
1+(xy)?
%3D
1+(x+y)2
1+(x+y)2Y
1+(xy)?
ху
1+(xy)2
y
1
y' +
1+(x+y)2
1+(xy)2
1+(x+y)2
y
1
->
1+(xy)2]
1+(xy)2
1+(x+y)2
sinva
2 vx. |sinvA 2 vx.|cosvx|
1+(xy)2
1+(x+y)2
cosvx
y' =
l1+(x•
1+(xy)²
(2) tan-1(x + y) = 4 + cot-(xy)
Prof. Dr. Raad Salih Mahdi
College of Oil and Gas Engineering
Sol.
Example (6.4)
Let y = tanr. Show that
رغدة
(1+x2)?y" + 2x(1 + x²)y' + y + cot-lx =.
29.03.21 at 10:22 AM
1+x
(1+x2)2
Transcribed Image Text:tany = Vu2 - 1 and u> 0 10:23 (ii) if<y = sec¯lu<n→ the angle y lies in the second quadrant, 0: . .ulll 46% and hence tany < 0, as well as, u = secy < 0. ta56 of 756 o (Vu? – 1, - tar u>0 Thus, tany ** Vu? - 1, u<0 From (*) and (* *), we have Prof. Dr. Raad Salih Mahdi College of Oil and Gas Engineering u >0 uvu2-1 dy 1 %3D du JulVu?-1 u<0 uvu2-1 dy Hence from (#), 1 du du i.e., ax JulVu?-1 dx' sec-lu = %3D I21 dx Exercise (6.2) Prove the remaine iton Examples (6.3) Find y' for the following: theorem (6.1). (1) y = sin-(cos/x) + cos-(sin/x) 1 V1-cos-Vx 2 a)V1-sin?V (coSyx. ) .(-sinvx. ) (cosv. ) 1 %3D Vsin?Vx 2 vx Vcos?Vx 2 .(-sinvx. ) -(cosv. ) %3D |sinvx| 2 vx) cosvx 2 Vx) -1 1+(x+y)2 (1+y') = 1+(xy)? (xy' + y) 1 -xy' y 1+(xy)? %3D 1+(x+y)2 1+(x+y)2Y 1+(xy)? ху 1+(xy)2 y 1 y' + 1+(x+y)2 1+(xy)2 1+(x+y)2 y 1 -> 1+(xy)2] 1+(xy)2 1+(x+y)2 sinva 2 vx. |sinvA 2 vx.|cosvx| 1+(xy)2 1+(x+y)2 cosvx y' = l1+(x• 1+(xy)² (2) tan-1(x + y) = 4 + cot-(xy) Prof. Dr. Raad Salih Mahdi College of Oil and Gas Engineering Sol. Example (6.4) Let y = tanr. Show that رغدة (1+x2)?y" + 2x(1 + x²)y' + y + cot-lx =. 29.03.21 at 10:22 AM 1+x (1+x2)2
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