Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the...

Sin, cos, and tan functions in trigonometry are defined in terms of two of the three sides (opposite, adjacent, and hypotenuse) of a right-angled triangle. Here are the formulas of sin, cos, and …

Jul 23, 2025 · The sum and difference identities are the formulas that relate the sine, cosine, and tangent of the sum or difference of two angles to the sines, cosines, and tangents of the …

Feb 24, 2025 · There are six trigonometric functions, of which sine, cosine, and tangent functions are basic functions, while secant (sec), cosecant (cosec or csc), and cotangent (cot) are …

Nov 6, 2025 · In a right triangle, every angle connects three sides: the opposite, adjacent and hypotenuse. The trigonometric ratios sine (sin), cosine (cos) and tangent (tan) are built from …

Angle Calculator: Sin, Cos, and Tan Find unknown angles from measured trig ratios. Also compute sin, cos, tan from any angle. Quick inputs, clear solutions, and easy sharing tools today.

To calculate using sin, cos and tan, you need to know their trigonometric ratios (remember that the ratio of two values is a division of these values). Consider the right-angled triangle below.

Jan 6, 2026 · Sin Cos Tan: Trig Functions & Formulas Let’s dive into the world of trigonometry! When you’re tackling triangles and angles, understanding trigonometric functions is super …

This page explains the sine, cosine, tangent ratio, gives on an overview of their range of values and provides practice problems on identifying the sides that are opposite and adjacent to a …

Comprehensive guide to trigonometric functions, identities, formulas, special triangles, sine and cosine laws, and addition/multiplication formulas with explanations.