Trigonometry is a branch of mathematics that focuses on the relationships between the angles and sides of triangles, especially right-angled triangles. It is widely used in various fields like engineering, physics, and astronomy. Understanding its terminology is crucial for mastering the subject.

## Words Related to Trigonometry

Here are the top 30 terms related to Trigonometry with meanings:

**Sine**: Ratio of the opposite side to the hypotenuse in a right triangle**Cosine**: Ratio of the adjacent side to the hypotenuse in a right triangle**Tangent**: Ratio of opposite side to adjacent side in a right triangle**Cotangent**: Ratio of the adjacent side to the opposite side in a right triangle**Secant**: Reciprocal of cosine, hypotenuse over adjacent side**Cosecant**: Reciprocal of sine, hypotenuse over opposite side**Radians**: Unit for measuring angles, alternative to degrees**Pythagorean Theorem**: Formula relating the sides of a right triangle**Hypotenuse**: Longest side in a right-angled triangle**Adjacent**: Side next to the angle in question in a right triangle**Opposite**: Side opposite to the angle in question in a right triangle**Unit Circle**: Circle of radius one used in trigonometry**Angle**: The space between two intersecting lines or surfaces**Arc**: Part of a curve, often used in the context of circles**Trig Functions**: General term for sine, cosine, tangent, etc.**Identity**: An equation that is true for all its variables**Inverse**: Function that reverses another function**Theta**: Greek letter commonly used to represent an angle**SOHCAHTOA**: Mnemonic for sine, cosine, and tangent formulas**Polar Coordinates**: System of coordinates using radius and angle**Amplitude**: Maximum value of a trigonometric function**Phase**: Horizontal shift of a trigonometric function**Cycle**: One complete wave of a trigonometric function**Frequency**: Number of cycles per unit time**Asymptote**: Line approached by a curve as they head towards infinity**Oscillation**: Repeated variation in a trigonometric function**Periodic**: Repeating at regular intervals**Quadrant**: One of the four regions in a Cartesian coordinate system**Pi**: Mathematical constant, the ratio of circumference to diameter**Chord**: Straight line connecting two points on a curve

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