# Functions: Trigonometric Functions Archive

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• ### MI.Math.Content.HSF-TF.A.3

(+) Use special triangles to determine geometrically the values of sine, cosine, tangent for π/3, π/4 and π/6, and…

• ### MI.Math.Content.HSF-TF.A.4

(+) Use the unit circle to explain symmetry (odd and even) and periodicity of trigonometric functions.

• ### MI.Math.Content.HSF-TF.B.5

Choose trigonometric functions to model periodic phenomena with specified amplitude, frequency, and midline.*

• ### MI.Math.Content.HSF-TF.B.6

(+) Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing…

• ### MI.Math.Content.HSF-TF.B.7

(+) Use inverse functions to solve trigonometric equations that arise in modeling contexts; evaluate the solutions using technology, and…

• ### MI.Math.Content.HSF-TF.C.8

Prove the Pythagorean identity (sin A)^2 + (cos A)^2 = 1 and use it to find sin A, cos…

• ### MI.Math.Content.HSF-TF.C.9

(+) Prove the addition and subtraction formulas for sine, cosine, and tangent and use them to solve problems.

• ### MI.Math.Content.HSF-TF.A.1

Understand radian measure of an angle as the length of the arc on the unit circle subtended by the…