Trigonometric identities - By MathPlanetVideos
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DESCRIPTION:
Show that the following statement must be true 1+cos 2Ѳ= 2cos2Ѳ
OVERVIEW:
Trigonometric identities is a free educational video by MathPlanetVideos.It helps students in grades HS practice the following standards HSF.TF.C.8, HSF.TF.C.9,.
This page not only allows students and teachers view Trigonometric identities but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.
1. HSF.TF.C.8 : Prove the Pythagorean identity sin2(θ) + cos2(θ) = 1 and use it to find sin(θ), cos(θ), or tan(θ) given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle..