Complete the steps by applying trig identities to show that the left hand side of the equation is equivalent to the right hand side. sec z - tanz sin z

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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11:52 )
A.
all 64%
illeenisd.schoology.com
12
4 of 10
Complete the steps by applying trig identities to show
that the left hand side of the equation is equivalent to
the right hand side.
sec z - tan z sin a =
sec a
Steps:
sec z- tan z. sin a
=
: 1+ tan a
1-case
sin z
sin esin z
2
: 1+
cos
-sin? 2
- Cos
sin z
cos
Cos
cos
co tsin a
sin I
sin r
1-sin-sin
: cos a -
sin z
sin z-
sin x
1-sin =
sin r
in
Cos
Cos a
: COS 2
%23
sin
Next
II
+
Transcribed Image Text:11:52 ) A. all 64% illeenisd.schoology.com 12 4 of 10 Complete the steps by applying trig identities to show that the left hand side of the equation is equivalent to the right hand side. sec z - tan z sin a = sec a Steps: sec z- tan z. sin a = : 1+ tan a 1-case sin z sin esin z 2 : 1+ cos -sin? 2 - Cos sin z cos Cos cos co tsin a sin I sin r 1-sin-sin : cos a - sin z sin z- sin x 1-sin = sin r in Cos Cos a : COS 2 %23 sin Next II +
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