8:14 PM Mon Feb 28 - 53% T O + : b = 2UT6 生))+()-号) =(-$)(-)+(學)量 b=4 65 25 - 3 (85) COS S = and cos t = š S and t in quadrant III. i7 Sin (st t) = SinS Cost - coSsSint %3D Sin S= " Sint= = (H)(-} ) - (-Å )(-) -8- -3 -15 11 -4 tans + tant |- tans tant 15 (-8)? +b? =172 -32 +62 = 5? tan (Stt). 15 82tan S %3D 15 b=15 b = 4 tan t 36 3 4
8:14 PM Mon Feb 28 - 53% T O + : b = 2UT6 生))+()-号) =(-$)(-)+(學)量 b=4 65 25 - 3 (85) COS S = and cos t = š S and t in quadrant III. i7 Sin (st t) = SinS Cost - coSsSint %3D Sin S= " Sint= = (H)(-} ) - (-Å )(-) -8- -3 -15 11 -4 tans + tant |- tans tant 15 (-8)? +b? =172 -32 +62 = 5? tan (Stt). 15 82tan S %3D 15 b=15 b = 4 tan t 36 3 4
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 79E
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Transcribed Image Text:8:14 PM Mon Feb 28
- 53%
T O
+ :
b = 2UT6
生))+()-号)
=(-$)(-)+(學)量
b=4
65
25
- 3
(85) COS S = and cos t = š
S and t in quadrant III.
i7
Sin (st t) = SinS Cost - coSsSint
%3D
Sin S= "
Sint=
= (H)(-} ) - (-Å )(-)
-8-
-3
-15
11
-4
tans + tant
|- tans tant
15
(-8)? +b? =172
-32 +62 = 5?
tan (Stt).
15
82tan S
%3D
15
b=15
b = 4
tan t
36
3
4
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