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Precalculus

Trigonometric Identities and Equations

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1
Verifying Identities

Problem 1

Determine which of the following are identities. For those that are not an identity, give a value of \(x\) for which every term in the equation is defined but the equation does not hold. For those that are identities, verify the identity.

a. \(\sin x=1\)

b. \(\cot x \tan x=1\)

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