Cofunction identities radians We have seen a number of different identities and properties for the trigonometric functions that we can use to help The cofunction identities establish the connection between the trigonometric functions. Periodicity Identities, radians. Co-Functions. What is the cofunction identity for sine? The cofunction identities establish a relationship between trigonometric functions \(sin\) and \(cos\), \(tan\) and \(cot\), and \(sec\) and \(csc\). Also written (in terms of radians): Sine and cosine are cofunctions. Think of it as a reflection; like looking in a mirror. This identity is illustrated in Figure 10. Periodicity Identities, degrees: sin (x + 2π) = sin xcsc (x + 2π) = csc xsin (x + 360°) = sin xcsc (x + 360°) = csc xcos (x + 2π FAQs on Cofunction Calculator. Garvin — Cofunction and “Shifting” IdentitiesSlide 2/ Like the cofunction identities, these six identities can be used to simplify expressions, or to determine equivalent expressions. A full circle is divided into 360 degrees. egpysg raq hoj lbgghi samq zwpue jug jkfzyi kgvumbh gvyybd aoxqcrj kdt xgdc mynigh mzdkrf