sin 2x 3) Using Half Angle identities, verify cos - sin 2 sin x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 72E
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sin 2x
2
3)
Using Half Angle identities, verify
sin
2
cos
2
2 sin x
cos 8x – cos 6x
4)
Using Sum to Product identities, verify
-tan x
sin 8x + sin 6x
Transcribed Image Text:sin 2x 2 3) Using Half Angle identities, verify sin 2 cos 2 2 sin x cos 8x – cos 6x 4) Using Sum to Product identities, verify -tan x sin 8x + sin 6x
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