pre-calculus-verifying-an-identity-using-the-sum-and-difference-formulas

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Interactive video lesson plan for: Pre-Calculus - Verifying an identity using the sum and difference formulas

Activity overview:

http://www.freemathvideos.com In this video playlist you will learn all about Analytic Trigonometry. We will start by simplifying trigonometric expressions using trigonometric identities such as the quotient, reciprocal,Pythagorean Identies as well basic algebraic skills. We will then use those skills to verify trigonometric identities using the same identities and skills. Then we will use the unit circle to find the solutions of the equation. We will then proceed to simplifying, verifying, and solving multi angle formulas such as double angles, half angles, sum and difference formulas.
cos(x-(pi)/4)=sqrt(2)/2(cos(x)+sin(x))

Tagged under: Trig,trigonometry,simplify,simplifying,trigonometric,expression,identity,trigonometric identities,trigonometric expressions,identities,quotient,reciprocal,pythagorean,sine,tangent,cotangent,cosine,cosecant,secant,solving,solutions,solve,equation,evaluate,double angle,sum difference,formula, angle,(-(pi)/4)=sqrt(2)/2(()+sin())

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