【實用教育app】Trigonometric Formulas Plus|最夯免費app-gigacircle

Simple and convenient trigonometric formulas guide. This is a best way for you to learn trigonometric formulas. The following contents are provided : ► Relationship between degrees and radians ► Right triangle definitions ► Circular function definitions ► Exact values for most commonly used angles ► Graphs of trigonometric functions ► Reciprocal Identities ► Quotient Identities ► Pythagorean Identities ► Periodicity Relationships ► Negative angle identities ► Supplementary angle identities ► Complementary angle identities ► Sum or difference of two angles ► Double angle formulas ► Triple angle formulas ► Multiple angle formulas ► Half angle formulas ► Sum, difference and product ► Circular functions and planar triangles ► Derivatives of trigonometric functions ► Indefinite integrals of trigonometric functions