This video explains how to determine a cofunction identity.

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# Cofunction Identities for Sine, Tangent, and Cosecant

# Given f(x)=3/x-4/(3x), Solve f(x)=-7 (Rational Equation)

# Given f(x)=x^2+4x+7, Solve f(x)=1 (No Real Rational Solutions)

# Given f(x)=-x^2, Solve f(x)=4 (No Real Rational Solutions)

This video explains what happens when you try to solve an equation by factoring and it is not factorable.

# Given f(x)=-x^2-2x+13, Solve f(x)=2 by Factoring

# Given f(x)=-x^2+4x, Solve f(x)=0 by Factoring

# Solve a Basic Cubice Eqaution by Factoring x^3-bx=0

This video explains how to determine a cofunction identity.

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