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Title: Trig_Cheat_Sheet Author: ptdaw Created Date: 11/2/2022 7:09:02 AM
Master trigonometry with Trig Identities Cheat Sheet for solving trigonometric proofs. Simplify complex expressions, apply essential identities, and tackle.
Basic Identities. \tan (x) = \frac {\sin (x)} {\cos (x)} \tan (x) = \frac {1} {\cot (x)} \cot (x) = \frac {1} {\tan (x)} \cot (x) = \frac {\cos (x)} {\sin (x)} \sec (x) = \frac {1} {\cos (x)} \csc (x) = \frac {1} {\sin (x)}
Symbolab Trigonometry Cheat Sheet Basic Identities: (tan )=sin(𝑥) cos(𝑥) (tan )= 1 cot(𝑥) (cot )= 1 tan(𝑥)) cot( )=cos(𝑥) sin(𝑥) sec( )= 1 cos(𝑥) csc( = 1 sin(𝑥) Pythagorean Identities (cos 2 )+sin( )=1 2sec( )−tan2( )=1 2csc( )−cot2( )=1 Double Angle Identities
Reciprocal Identities: These identities define the relationships between each trigonometric function and its reciprocal. cscθ = 1/sinθ. secθ = 1/cosθ. cotθ = 1/tanθ. Quotient Identities: These identities show that tangent and cotangent are ratios of sine and cosine. tanθ = sinθ/cosθ. cotθ = cosθ/sinθ.
The three main functions in trigonometry are Sine, Cosine and Tangent. They are just the length of one side divided by another. For a right triangle with an angle θ:
Quotient Identities. tan = cos cos. cot = sin.