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4 results for “secant”

Formulae (4)

\sec\theta = \tfrac{1}{\cos\theta}, \ \csc\theta = \tfrac{1}{\sin\theta}

Secant and cosecant as reciprocals.

\sec\theta = \frac{1}{\cos\theta}

Reciprocal of cosine.

\csc\theta = \frac{1}{\sin\theta}

Reciprocal of sine.

\sec\theta = \frac{1}{\cos\theta}

Reciprocal of cosine.