8. (a) Solve (+1)(x-3) 20. (z+4) (b) Prove that cos 2x = Use this identity to show that tan 67° = 1+ (c) Express - as an equivalent fraction with rational denominator. √3+√2 1-tan2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 24E
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Part B Needed Needed to be solved part B correctly in 10 minutes and get the thumbs up please show neat and clean work for it Please solve only Part B By hand solution needed
8. (a) Solve (z+1)(x-3)
(+4)
≥ 0.
(b) Prove that cos 2x = 1-tan²
1+tan
(c) Express as an equivalent fraction with rational denominator.
√3+√2
(d) Given that 2 cos(-a) = cos(+a), show that tan tan a = -
Use this identity to show that tan 67° = 1+√2.
Transcribed Image Text:8. (a) Solve (z+1)(x-3) (+4) ≥ 0. (b) Prove that cos 2x = 1-tan² 1+tan (c) Express as an equivalent fraction with rational denominator. √3+√2 (d) Given that 2 cos(-a) = cos(+a), show that tan tan a = - Use this identity to show that tan 67° = 1+√2.
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