Cosine Function

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How to Write the Equation of a Cosine Graph?

How to Write the Equation of a Cosine Graph?

The equation of a cosine graph is based on the mathematical function (cos(x)), where (x) is the angle in radians.

Reciprocal Identities

Reciprocal Identities

Each of the six trig functions has a reciprocal partner. This guide shows the three reciprocal identities, how to use them, and the mistakes to avoid. Quick answer: The reciprocal identities pair each trig function with its flip: csc θ = 1/sin θ, sec θ = 1/cos θ, and cot θ = 1/tan θ. They […]

Function Values of Special Angles

Function Values of Special Angles

How to Graph the Cosine Function?

How to Graph the Cosine Function?

How to Graph the Cosine Function?

How to Graph the Cosine Function?