Verify the identity. 1 - cos(a) sin(a) sin(a) 1 + cos(a) 1- cos(a) 1- cos(a) . 1 + cos(a) 1 + cos(a) sin(a) sin(a) (sin(a)) (1 + cos(a)) %3D (sin(a)) (1 + cos(a)) sin(a)_ 1 + cos(a) Verify the identity. 1 + cos(x) + sin(x) 1 + cos(x) – sin(x) 1 + sin(x) cos(x) 1 + cos(x) + sin(x) 1 + cos(x) – sin(x) (1 + cos(x) + sin(x)) (1 + cos(x) + sin(x)) (1 + cos(x) – sin(x)) (1 + cos(x) + sin(x)) + cos?(x) + sin2(x) + 2(cos(x) + sin(x) + cos(x) sin(x)) 1 + cos?(x) – sin2(x) + 2 cos(x) 2 + 2 cos(x) + 2 sin(x) + 2 sin(x) cos(x) 2 cos?(x) + 2 (1 + cos(x)) + sin(x) (1 + cos(x)) cos(x) (1 + 1 + sin(x) cos(x)

Verify the identity. 1 - cos(a) sin(a) sin(a) 1 + cos(a) 1- cos(a) 1- cos(a) . 1 + cos(a) 1 + cos(a) sin(a) sin(a) (sin(a)) (1 + cos(a)) %3D (sin(a)) (1 + cos(a)) sin(a)_ 1 + cos(a) Verify the identity. 1 + cos(x) + sin(x) 1 + cos(x) – sin(x) 1 + sin(x) cos(x) 1 + cos(x) + sin(x) 1 + cos(x) – sin(x) (1 + cos(x) + sin(x)) (1 + cos(x) + sin(x)) (1 + cos(x) – sin(x)) (1 + cos(x) + sin(x)) + cos?(x) + sin2(x) + 2(cos(x) + sin(x) + cos(x) sin(x)) 1 + cos?(x) – sin2(x) + 2 cos(x) 2 + 2 cos(x) + 2 sin(x) + 2 sin(x) cos(x) 2 cos?(x) + 2 (1 + cos(x)) + sin(x) (1 + cos(x)) cos(x) (1 + 1 + sin(x) cos(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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