Trigonometric Identities Cheat Sheet - Formulas

A Trigonometric Identities Cheat Sheet provides a collection of formulas and identities used in trigonometry. These formulas help in solving trigonometric equations and performing mathematical calculations involving trigonometric functions. It is a handy reference guide for students and professionals working in mathematics, physics, engineering, and other related fields.

Trigonometric identity cheat sheets and formulas are typically created and filed by individual students or educators for their personal use or for sharing with others. There is no specific organization or entity that officially files them.

FAQ

Q: What are the basic trigonometric identities?A: The basic trigonometric identities are sine squared plus cosine squared equals one, one plus tangent squared equals secant squared, and one plus cotangent squared equals cosecant squared.

Q: What is the Pythagorean identity?A: The Pythagorean identity is sine squared plus cosine squared equals one.

Q: What is the reciprocal identity?A: The reciprocal identity is cosecant equals one over sine, secant equals one over cosine, and cotangent equals one over tangent.

Q: What is the quotient identity?A: The quotient identity is tangent equals sine over cosine.

Q: What is the even-odd identity?A: The even-odd identity is sine of negative theta equals negative sine of theta, cosine of negative theta equals cosine of theta, and tangent of negative theta equals negative tangent of theta.