Whitehall District Schools
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Pre-Calculus
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Pre-Calc
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Trig Unit 3: Analytic Trig and Applications
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5.5 Double Angle Identities
5.5 Double Angle Identities
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Solve the problem.Suppose that for an electrical appliance, voltage is given ...
Use an identity to write the expression as a single trigonometric function ...
Use identities to find the indicated value for each angle measure.cos θ = , ...
Write the product as a sum or difference of trigonometric functions.cos 44° ...