Homework Help is Here – Start Your Trial Now!
Math
Trigonometry
Prove the half-angle identity sin A/2 = +√((1 - cos A)/2) Square both sides: Multiply both sides by 2, and write A = 2( 2 using a )=( Then, the right-hand side of the last equation can be written as ²0 ) + ²0 the last expression simplifies to 2 -angle identity for cosine. By applying ) to get x = sin ) X completing the proof. Use the notation sin²x, cos²x, etc. for powers of tria functions. A)/ 20 ) )

Prove the half-angle identity sin A/2 = +√((1 - cos A)/2) Square both sides: Multiply both sides by 2, and write A = 2( 2 using a )=( Then, the right-hand side of the last equation can be written as ²0 ) + ²0 the last expression simplifies to 2 -angle identity for cosine. By applying ) to get x = sin ) X completing the proof. Use the notation sin²x, cos²x, etc. for powers of tria functions. A)/ 20 ) )

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 21E
See similar textbooks
icon
Related questions
Question
Prove the half-angle identity sin A/2 = +√((1 - cos A)/2) Square both sides: Multiply both sides by 2, and write A = 2( 2 using a )=( Then, the right-hand side of the last equation can be written as ²0 ) + ²0 the last expression simplifies to 2 -angle identity for cosine. By applying ) to get x = sin ) X completing the proof. Use the notation sin²x, cos²x, etc. for powers of tria functions. A)/ 20 ) )
Transcribed Image Text:Prove the half-angle identity sin A/2 = +√((1 - cos A)/2) Square both sides: Multiply both sides by 2, and write A = 2( 2 using a )=( Then, the right-hand side of the last equation can be written as ²0 ) + ²0 the last expression simplifies to 2 -angle identity for cosine. By applying ) to get x = sin ) X completing the proof. Use the notation sin²x, cos²x, etc. for powers of tria functions. A)/ 20 ) )
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Functions and Change: A Modeling Approach to Coll…
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS