1. Let ABC be a spherical triangle with a right angle at C. Use the formulas of spherical trigonometry to prove the following: (a) sin a = sin a sin c
1. Let ABC be a spherical triangle with a right angle at C. Use the formulas of spherical trigonometry to prove the following: (a) sin a = sin a sin c
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
Part B & C ONLY.
Transcribed Image Text:Exercises 1.1
1. Let ABC be a spherical triangle with a right angle at C. Use the formulas
of spherical trigonometry to prove the following:
(a) sin a = sin a sin c
(b) tan a tan a sin b
(c) tan acos 3 tanc
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