The second photo is example 1a for reference As in Example 1a of Section 5.1, assume tane = -1.52, and e is in the second quadrant.Use one of the fundamental identities to findsec 0. Provide 4 decimal places.Answer: Solutiona. We use an identity that relates the tangent and secant functions.tan? 0 + 1 = sec2 0Pythagorean identity(-)+ 1 = sec² 0%3|tan 025+ 1 = sec² 09.Square –.34sec2 09.Add; 1 = %34= sec 09.Take the negative square rootbecause 0 is in quadrant II.Choose thecorrect sign.V34 Simplify the radical: -VV34343.sec 03and rewrite.

Answered: Image /qna-images/answer/289e1972-14e7-4bd5-909e-68a6bd975871.jpg

Answered: As in Example 1a of Section 5.1, assume…

As in Example 1a of Section 5.1, assume tan e = -1.52, and e is in the second quadrant. Use one of the fundamental identities to find sec e. Provide 4 decimal places. Answer:

Trigonometry (11th Edition)

11th Edition

ISBN:9780134217437

Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Chapter1: Trigonometric Functions

Section: Chapter Questions

Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.

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Question

The second photo is example 1a for reference

As in Example 1a of Section 5.1, assume tan
e = -1.52, and e is in the second quadrant.
Use one of the fundamental identities to find
sec 0. Provide 4 decimal places.
Answer:

Solution
a. We use an identity that relates the tangent and secant functions.
tan? 0 + 1 = sec2 0
Pythagorean identity
(-)
+ 1 = sec² 0
%3|
tan 0
25
+ 1 = sec² 0
9.
Square –.
34
sec2 0
9.
Add; 1 = %
34
= sec 0
9.
Take the negative square root
because 0 is in quadrant II.
Choose the
correct sign.
V34 Simplify the radical: -V
V34
34
3.
sec 0
3
and rewrite.

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