C. Verify the following trigonometric identities : 1. tanx csc x cos x 1 (consider example A) 2. sin?x - cos?x = 2 sin?x - 1 ( use pythagorean identity) 3. tan x sec x sin x = tan?x ( use quotient identity) 4. (tanx + 1 )2 = sec?x + 2 tanx. (work on the left-hand side by expanding it)
C. Verify the following trigonometric identities : 1. tanx csc x cos x 1 (consider example A) 2. sin?x - cos?x = 2 sin?x - 1 ( use pythagorean identity) 3. tan x sec x sin x = tan?x ( use quotient identity) 4. (tanx + 1 )2 = sec?x + 2 tanx. (work on the left-hand side by expanding it)
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°.
Related questions
Question
![C. Verify the following trigonometric identities :
1. tanx csc x cos x = 1
(consider example A)
2. sin?x - cos?x = 2 sin?x - 1
( use pythagorean identity)
3. tan x sec x sin x = tan?x
( use quotient identity)
4. (tanx + 1 )2 = sec?x +2 tanx. (work on the left-hand side by expanding it)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F87ce4037-8942-46a8-8f44-3f77d1ce48dd%2F74e0bd3c-e3d3-417e-82ff-462992824587%2Fxont63j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:C. Verify the following trigonometric identities :
1. tanx csc x cos x = 1
(consider example A)
2. sin?x - cos?x = 2 sin?x - 1
( use pythagorean identity)
3. tan x sec x sin x = tan?x
( use quotient identity)
4. (tanx + 1 )2 = sec?x +2 tanx. (work on the left-hand side by expanding it)
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