Verify that 2 tan = sin²a+1-cos² a sina(1+cos a)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 21E
icon
Related questions
Question

Just need help solving i don't know if my answer is right

Verify that 2 tan
=
sin²a+1-cos² a
sina(1+cos a)
Transcribed Image Text:Verify that 2 tan = sin²a+1-cos² a sina(1+cos a)
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage