What is 1/cosx

Substitute this into 1 — cos x :. Skip to content. Change Language.

In mathematics, an "identity" is an equation which is always true, regardless of the specific value of a given variable. Need a custom math course? K12 College Test Prep. Logically, mathematical identities are tautologies; that is, they are expressions which restate the same expression in a different way. In other words, the identities allow you to restate a trig expression in a different format, but one which has the exact same value.

What is 1/cosx

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In mathematics, an "identity" is an equation which is always true, regardless of the specific value of a given variable. Save Article.

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In trigonometry , trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles. They are distinct from triangle identities , which are identities potentially involving angles but also involving side lengths or other lengths of a triangle. These identities are useful whenever expressions involving trigonometric functions need to be simplified. An important application is the integration of non-trigonometric functions: a common technique involves first using the substitution rule with a trigonometric function , and then simplifying the resulting integral with a trigonometric identity. The basic relationship between the sine and cosine is given by the Pythagorean identity:. This equation can be solved for either the sine or the cosine:.

What is 1/cosx

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Campus Experiences. Share This Page. Related Articles. Save Article Save. What is the Fraction of 4? Contribute to the GeeksforGeeks community and help create better learning resources for all. You will be using all of these identities, or nearly so, for proving other trig identities and for solving trig equations. One Cusec is equal to How Many Liters? Vote for difficulty :. Thank you for your valuable feedback!

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