Q1// Find all the angles (Y, 0, D) of the shown triangle A =-4i +3j +k B =-3i +2j – 5k AB AC C=-6i – 2j +k are Vertices of this triangle? B BC C

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.5: Polar Coordinates
Problem 98E
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Q1// Find all the angles (Y, 0, D) of the shown triangle
A =-4i +3j +k
B =-3i +2j – 5k
AB
AC
C =-6i – 2j +k
are Vertices of this triangle?
B
BC
Q2// Evaluate the integral for the following Vectors function (two only)?
1- [(4 sin(3t)i + 4te
j + (2t + 3t2)k )dt
In (sinh x)
2 - [
1
1
i +
-k )dx
tanh x
1 -
sin? x
- x
+ 3
k )dx
Vx
3 - [(;
i +
4
1 + x
Q3// By using cofactor method, find the values of the unknown variables of the system:
-2a – 6c = 3
4c +a +b =-4
b +2c = -2
Transcribed Image Text:Q1// Find all the angles (Y, 0, D) of the shown triangle A =-4i +3j +k B =-3i +2j – 5k AB AC C =-6i – 2j +k are Vertices of this triangle? B BC Q2// Evaluate the integral for the following Vectors function (two only)? 1- [(4 sin(3t)i + 4te j + (2t + 3t2)k )dt In (sinh x) 2 - [ 1 1 i + -k )dx tanh x 1 - sin? x - x + 3 k )dx Vx 3 - [(; i + 4 1 + x Q3// By using cofactor method, find the values of the unknown variables of the system: -2a – 6c = 3 4c +a +b =-4 b +2c = -2
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