JK JM sin x cos x + cos x sin x tan x + cot x = tan x + tan x + cot x = tan x tan? x + 1 sin? x + cos? x cos x sin x tan x sec? x 1 tan x cos x sin x sec x = sec x csc x = sec x \tan x- = sec x csc x

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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Error Analysis: Is there anything wrong with the solution?

JK
JM
1
tan x + cot x = tan x +
sin x
cOS X
+
cos x' sin x
tan x + cot x =
tan x
tan? x +
sin? x + cos? x
tan x
cos x sin x
sec? x
1
tan x
cos x sin x
sec x
= sec x csc x
= sec x
tan x-
= sec x csc x
Transcribed Image Text:JK JM 1 tan x + cot x = tan x + sin x cOS X + cos x' sin x tan x + cot x = tan x tan? x + sin? x + cos? x tan x cos x sin x sec? x 1 tan x cos x sin x sec x = sec x csc x = sec x tan x- = sec x csc x
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