4B. R 4.5 R. is 2, 6.1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 43E
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Please help me with question 4b
Find x. Round to the nearest degree.
m²=p2+-2pq cos M
=6+3-2(6)(3) cos x
64 45-36 cos x
Law of Cosines
Substitution
Simplity.
19 = -36 cos x
Subtract 45 from each side.
19
COs x
-36
Divide each side by -36.
x= cos1
Use the inverse cosine ratio.
36
X 122
Use a calculator.
GuidedPractice
4A.
4B.
4.5
2.1
13
6.1
13
IT
1.9
K
You can use the Law of Sines and Law of Cosines to solve direct and indirect
measurement problems.
Real-World Example 5
BASKETBALL Drew and Hunter are playing basketball.
Drew passes the ball to Hunter when he is 26 feet from
the goal and 24 feet from Hunter. How far is Hunter
from the goal if the angle from the goal to Drew and
then to Hunter is 34°?
Page
Draw a diagram Since we
k
Q Hun
3
asketball
CA in
ides of il
acer
ONE
Transcribed Image Text:Find x. Round to the nearest degree. m²=p2+-2pq cos M =6+3-2(6)(3) cos x 64 45-36 cos x Law of Cosines Substitution Simplity. 19 = -36 cos x Subtract 45 from each side. 19 COs x -36 Divide each side by -36. x= cos1 Use the inverse cosine ratio. 36 X 122 Use a calculator. GuidedPractice 4A. 4B. 4.5 2.1 13 6.1 13 IT 1.9 K You can use the Law of Sines and Law of Cosines to solve direct and indirect measurement problems. Real-World Example 5 BASKETBALL Drew and Hunter are playing basketball. Drew passes the ball to Hunter when he is 26 feet from the goal and 24 feet from Hunter. How far is Hunter from the goal if the angle from the goal to Drew and then to Hunter is 34°? Page Draw a diagram Since we k Q Hun 3 asketball CA in ides of il acer ONE
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