Verify that the equation is an identity. (Hint: sin 2x = sin (x+ x)) sin 2x = 2 sin x cos x Substitute 2x = x+x and apply the sine of a sum identity. sin 2x = sin (x + x)

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 25E
icon
Related questions
Question
100%

Verify that the equation is an identity.​ (Hint: sin2x=sin(x+x)​)

 

Verify that the equation is an identity. (Hint: sin 2x = sin (x + x))
sin 2x = 2 sin x cos x
.....
Substitute 2x = x+x and apply the sine of a sum identity.
sin 2x = sin (x+ x)
(Do not simplify.)
Transcribed Image Text:Verify that the equation is an identity. (Hint: sin 2x = sin (x + x)) sin 2x = 2 sin x cos x ..... Substitute 2x = x+x and apply the sine of a sum identity. sin 2x = sin (x+ x) (Do not simplify.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning