So, if ω is a fixed number and θ is any angle we have the following periods. Period The period of a function is the number, T, such that f (θ + T ) = f (θ ). Hypotenuse opposite hypotenuse sec θ = adjacent adjacent cot θ = opposite csc θ =įacts and Properties Domain The domain is all the values of θ that can be plugged into the function. All ELA and mathematics curriculum files will be available at the links below, and will remain free and licensed under the Creative Commons Attribution. Tangent and Cotangent Identities sin θ cos θ tan θ = cot θ = cos θ sin θ Reciprocal Identities 1 1 csc θ = sin θ = sin θ csc θ 1 1 sec θ = cos θ = cos θ sec θ 1 1 cot θ = tan θ = tan θ cot θ Pythagorean Identities sin 2 θ + cos 2 θ = 1 yĪdjacent opposite hypotenuse adjacent cos θ = hypotenuse opposite tan θ = adjacent Unit circle definition For this definition θ is any angle. 100 (1) 100 found this document useful (1 vote) 244 views. Trig Cheat Sheet: Definition of The Trig Functions. Trig Cheat Sheet Definition of the Trig Functions Right triangle definition For this definition we assume that 0 <θ < Trig Cheat Sheet - Free download as PDF File (.pdf), Text File (.txt) or read online for free.
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